chrome/browser/ui/webui/new_tab_page/new_tab_page_handler.h - chromium/src - Git at Google

 // Copyright 2019 The Chromium Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #ifndef CHROME_BROWSER_UI_WEBUI_NEW_TAB_PAGE_NEW_TAB_PAGE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_NEW_TAB_PAGE_NEW_TAB_PAGE_HANDLER_H_

 #include <optional>
 #include <string>
 #include <string_view>
 #include <unordered_map>
 #include <utility>
 #include <vector>

 #include "base/memory/raw_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/scoped_observation.h"
 #include "base/time/time.h"
 #include "chrome/browser/new_tab_page/feature_promo_helper/new_tab_page_feature_promo_helper.h"
 #include "chrome/browser/new_tab_page/promos/promo_service.h"
 #include "chrome/browser/new_tab_page/promos/promo_service_observer.h"
 #include "chrome/browser/optimization_guide/optimization_guide_keyed_service.h"
 #include "chrome/browser/search/background/ntp_background_service_observer.h"
 #include "chrome/browser/search/background/ntp_custom_background_service.h"
 #include "chrome/browser/search/background/ntp_custom_background_service_observer.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_observer.h"
 #include "chrome/browser/ui/search/ntp_user_data_logger.h"
 #include "chrome/browser/ui/webui/new_tab_page/new_tab_page.mojom.h"
 #include "chrome/common/search/ntp_logging_events.h"
 #include "components/optimization_guide/core/model_execution/settings_enabled_observer.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "components/search_provider_logos/logo_common.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "mojo/public/cpp/bindings/pending_receiver.h"
 #include "mojo/public/cpp/bindings/pending_remote.h"
 #include "mojo/public/cpp/bindings/receiver.h"
 #include "mojo/public/cpp/bindings/remote.h"
 #include "ui/native_theme/native_theme.h"
 #include "ui/native_theme/native_theme_observer.h"
 #include "ui/shell_dialogs/select_file_dialog.h"

 class GURL;
 class NtpBackgroundService;
 class Profile;
 class NTPUserDataLogger;
 class NewTabPageFeaturePromoHelper;

 namespace content {
 class WebContents;
 }  // namespace content

 namespace search_provider_logos {
 class LogoService;
 }  // namespace search_provider_logos

 namespace ui {
 class ThemeProvider;
 }  // namespace ui

 class NewTabPageHandler : public new_tab_page::mojom::PageHandler,
                           public ui::NativeThemeObserver,
                           public ThemeServiceObserver,
                           public NtpCustomBackgroundServiceObserver,
                           public NtpBackgroundServiceObserver,
                           public ui::SelectFileDialog::Listener,
                           public PromoServiceObserver,
                           public optimization_guide::SettingsEnabledObserver {
  public:
   NewTabPageHandler(
       mojo::PendingReceiver<new_tab_page::mojom::PageHandler>
           pending_page_handler,
       mojo::PendingRemote<new_tab_page::mojom::Page> pending_page,
       Profile* profile,
       NtpCustomBackgroundService* ntp_custom_background_service,
       ThemeService* theme_service,
       search_provider_logos::LogoService* logo_service,
       content::WebContents* web_contents,
       std::unique_ptr<NewTabPageFeaturePromoHelper>
           customize_chrome_feature_promo_helper,
       const base::Time& ntp_navigation_start_time,
       const std::vector<std::pair<const std::string, int>>* module_id_names);

   NewTabPageHandler(const NewTabPageHandler&) = delete;
   NewTabPageHandler& operator=(const NewTabPageHandler&) = delete;

   ~NewTabPageHandler() override;

   // Histograms being recorded when a module is dismissed or restored.
   static const char kModuleDismissedHistogram[];
   static const char kModuleRestoredHistogram[];

   static void RegisterProfilePrefs(PrefRegistrySimple* registry);

   // new_tab_page::mojom::PageHandler:
   void SetMostVisitedSettings(bool custom_links_enabled, bool visible) override;
   void GetMostVisitedSettings(GetMostVisitedSettingsCallback callback) override;
   void SetBackgroundImage(const std::string& attribution_1,
                           const std::string& attribution_2,
                           const GURL& attribution_url,
                           const GURL& image_url,
                           const GURL& thumbnail_ur,
                           const std::string& collection_id) override;
   void SetDailyRefreshCollectionId(const std::string& collection_id) override;
   void SetNoBackgroundImage() override;
   void RevertBackgroundChanges() override;
   void ConfirmBackgroundChanges() override;
   void GetBackgroundCollections(
       GetBackgroundCollectionsCallback callback) override;
   void GetBackgroundImages(const std::string& collection_id,
                            GetBackgroundImagesCallback callback) override;
   void GetDoodle(GetDoodleCallback callback) override;
   void ChooseLocalCustomBackground(
       ChooseLocalCustomBackgroundCallback callback) override;
   void UpdatePromoData() override;
   void BlocklistPromo(const std::string& promo_id) override;
   void UndoBlocklistPromo(const std::string& promo_id) override;
   void OnDismissModule(const std::string& module_id) override;
   void OnRestoreModule(const std::string& module_id) override;
   void SetModulesVisible(bool visible) override;
   void SetModuleDisabled(const std::string& module_id, bool disabled) override;
   void UpdateDisabledModules() override;
   void OnModulesLoadedWithData(
       const std::vector<std::string>& module_ids) override;
   void OnModuleUsed(const std::string& module_id) override;
   void GetModulesIdNames(GetModulesIdNamesCallback callback) override;
   void SetModulesOrder(const std::vector<std::string>& module_ids) override;
   void GetModulesOrder(GetModulesOrderCallback callback) override;
   void IncrementModulesShownCount() override;
   void SetModulesFreVisible(bool visible) override;
   void UpdateModulesFreVisibility() override;
   void LogModulesFreOptInStatus(
       new_tab_page::mojom::OptInStatus opt_in_status) override;
   void SetCustomizeChromeSidePanelVisible(
       bool visible,
       new_tab_page::mojom::CustomizeChromeSection section) override;
   void IncrementCustomizeChromeButtonOpenCount() override;
   void MaybeShowFeaturePromo(
       new_tab_page::mojom::IphFeature iph_feature) override;
   void OnAppRendered(double time) override;
   void OnOneGoogleBarRendered(double time) override;
   void OnPromoRendered(double time,
                        const std::optional<GURL>& log_url) override;
   void OnCustomizeDialogAction(
       new_tab_page::mojom::CustomizeDialogAction action) override;
   void OnDoodleImageClicked(new_tab_page::mojom::DoodleImageType type,
                             const std::optional<GURL>& log_url) override;
   void OnDoodleImageRendered(new_tab_page::mojom::DoodleImageType type,
                              double time,
                              const GURL& log_url,
                              OnDoodleImageRenderedCallback callback) override;
   void OnDoodleShared(new_tab_page::mojom::DoodleShareChannel channel,
                       const std::string& doodle_id,
                       const std::optional<std::string>& share_id) override;
   void OnPromoLinkClicked() override;

  private:
   // ui::NativeThemeObserver:
   void OnNativeThemeUpdated(ui::NativeTheme* observed_theme) override;

   // ThemeServiceObserver:
   void OnThemeChanged() override;

   // NtpCustomBackgroundServiceObserver:
   void OnCustomBackgroundImageUpdated() override;
   void OnNtpCustomBackgroundServiceShuttingDown() override;

   // NtpBackgroundServiceObserver:
   void OnCollectionInfoAvailable() override;
   void OnCollectionImagesAvailable() override;
   void OnNextCollectionImageAvailable() override;
   void OnNtpBackgroundServiceShuttingDown() override;

   // PromoServiceObserver:
   void OnPromoDataUpdated() override;
   void OnPromoServiceShuttingDown() override;

   // SettingsEnabledObserver:
   void OnChangeInFeatureCurrentlyEnabledState(bool is_now_enabled) override;

   // SelectFileDialog::Listener:
   void FileSelected(const ui::SelectedFileInfo& file,
                     int index,
                     void* params) override;
   void FileSelectionCanceled(void* params) override;

   void OnLogoAvailable(
       GetDoodleCallback callback,
       search_provider_logos::LogoCallbackReason type,
       const std::optional<search_provider_logos::EncodedLogo>& logo);

   void LogEvent(NTPLoggingEventType event);

   typedef base::OnceCallback<void(bool success,
                                   std::unique_ptr<std::string> body)>
       OnFetchResultCallback;
   void Fetch(const GURL& url, OnFetchResultCallback on_result);
   void OnFetchResult(const network::SimpleURLLoader* loader,
                      OnFetchResultCallback on_result,
                      std::unique_ptr<std::string> body);
   void OnLogFetchResult(OnDoodleImageRenderedCallback callback,
                         bool success,
                         std::unique_ptr<std::string> body);

   bool IsCustomLinksEnabled() const;
   bool IsShortcutsVisible() const;
   void NotifyCustomizeChromeSidePanelVisibilityChanged(bool is_open);
   void MaybeLaunchInteractionSurvey(std::string_view interaction,
                                     const std::string& module_id,
                                     int delay_time_ms = 0);
   void MaybeShowWebstoreToast();
   void IncrementDictPrefKeyCount(const std::string& pref_name,
                                  const std::string& key);

   // Returns a HaTS trigger id associated with the given combination of user
   // interaction and module id if one exists, or nullptr otherwise to indicate
   // that there is no configured survey trigger id for such combination. The
   // valid interaction names are defined in `kModuleInteractionNames`. The valid
   // module id strings are listed in `ntp::MakeModuleIdNames`.
   const std::string& GetSurveyTriggerIdForModuleAndInteraction(
       std::string_view interaction,
       const std::string& module_id);

   ChooseLocalCustomBackgroundCallback choose_local_custom_background_callback_;
   raw_ptr<NtpBackgroundService> ntp_background_service_;
   raw_ptr<NtpCustomBackgroundService> ntp_custom_background_service_;
   raw_ptr<search_provider_logos::LogoService> logo_service_;
   raw_ptr<const ui::ThemeProvider> theme_provider_;
   raw_ptr<ThemeService> theme_service_;
   GURL last_blocklisted_;
   GetBackgroundCollectionsCallback background_collections_callback_;
   base::TimeTicks background_collections_request_start_time_;
   std::string images_request_collection_id_;
   GetBackgroundImagesCallback background_images_callback_;
   base::TimeTicks background_images_request_start_time_;
   std::optional<base::TimeTicks> one_google_bar_load_start_time_;
   raw_ptr<Profile> profile_;
   scoped_refptr<ui::SelectFileDialog> select_file_dialog_;
   raw_ptr<content::WebContents> web_contents_;
   std::unique_ptr<NewTabPageFeaturePromoHelper> feature_promo_helper_;
   base::Time ntp_navigation_start_time_;
   raw_ptr<const std::vector<std::pair<const std::string, int>>>
       module_id_names_;
   NTPUserDataLogger logger_;
   std::unordered_map<const network::SimpleURLLoader*,
                      std::unique_ptr<network::SimpleURLLoader>>
       loader_map_;
   PrefChangeRegistrar pref_change_registrar_;
   raw_ptr<PromoService> promo_service_;
   raw_ptr<OptimizationGuideKeyedService> optimization_guide_keyed_service_;
   base::ScopedObservation<ui::NativeTheme, ui::NativeThemeObserver>
       native_theme_observation_{this};
   base::ScopedObservation<ThemeService, ThemeServiceObserver>
       theme_service_observation_{this};
   base::ScopedObservation<NtpCustomBackgroundService,
                           NtpCustomBackgroundServiceObserver>
       ntp_custom_background_service_observation_{this};
   base::ScopedObservation<PromoService, PromoServiceObserver>
       promo_service_observation_{this};
   std::optional<base::TimeTicks> promo_load_start_time_;
   base::Value::Dict interaction_module_id_trigger_dict_;

   // These are located at the end of the list of member variables to ensure the
   // WebUI page is disconnected before other members are destroyed.
   mojo::Remote<new_tab_page::mojom::Page> page_;
   mojo::Receiver<new_tab_page::mojom::PageHandler> receiver_;

   base::WeakPtrFactory<NewTabPageHandler> weak_ptr_factory_{this};
 };

 #endif  // CHROME_BROWSER_UI_WEBUI_NEW_TAB_PAGE_NEW_TAB_PAGE_HANDLER_H_
	// Copyright 2019 The Chromium Authors
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#ifndef CHROME_BROWSER_UI_WEBUI_NEW_TAB_PAGE_NEW_TAB_PAGE_HANDLER_H_
	#define CHROME_BROWSER_UI_WEBUI_NEW_TAB_PAGE_NEW_TAB_PAGE_HANDLER_H_

	#include <optional>
	#include <string>
	#include <string_view>
	#include <unordered_map>
	#include <utility>
	#include <vector>

	#include "base/memory/raw_ptr.h"
	#include "base/memory/weak_ptr.h"
	#include "base/scoped_observation.h"
	#include "base/time/time.h"
	#include "chrome/browser/new_tab_page/feature_promo_helper/new_tab_page_feature_promo_helper.h"
	#include "chrome/browser/new_tab_page/promos/promo_service.h"
	#include "chrome/browser/new_tab_page/promos/promo_service_observer.h"
	#include "chrome/browser/optimization_guide/optimization_guide_keyed_service.h"
	#include "chrome/browser/search/background/ntp_background_service_observer.h"
	#include "chrome/browser/search/background/ntp_custom_background_service.h"
	#include "chrome/browser/search/background/ntp_custom_background_service_observer.h"
	#include "chrome/browser/themes/theme_service.h"
	#include "chrome/browser/themes/theme_service_observer.h"
	#include "chrome/browser/ui/search/ntp_user_data_logger.h"
	#include "chrome/browser/ui/webui/new_tab_page/new_tab_page.mojom.h"
	#include "chrome/common/search/ntp_logging_events.h"
	#include "components/optimization_guide/core/model_execution/settings_enabled_observer.h"
	#include "components/prefs/pref_change_registrar.h"
	#include "components/search_provider_logos/logo_common.h"
	#include "content/public/browser/web_contents_observer.h"
	#include "mojo/public/cpp/bindings/pending_receiver.h"
	#include "mojo/public/cpp/bindings/pending_remote.h"
	#include "mojo/public/cpp/bindings/receiver.h"
	#include "mojo/public/cpp/bindings/remote.h"
	#include "ui/native_theme/native_theme.h"
	#include "ui/native_theme/native_theme_observer.h"
	#include "ui/shell_dialogs/select_file_dialog.h"

	class GURL;
	class NtpBackgroundService;
	class Profile;
	class NTPUserDataLogger;
	class NewTabPageFeaturePromoHelper;

	namespace content {
	class WebContents;
	} // namespace content

	namespace search_provider_logos {
	class LogoService;
	} // namespace search_provider_logos

	namespace ui {
	class ThemeProvider;
	} // namespace ui

	class NewTabPageHandler : public new_tab_page::mojom::PageHandler,
	public ui::NativeThemeObserver,
	public ThemeServiceObserver,
	public NtpCustomBackgroundServiceObserver,
	public NtpBackgroundServiceObserver,
	public ui::SelectFileDialog::Listener,
	public PromoServiceObserver,
	public optimization_guide::SettingsEnabledObserver {
	public:
	NewTabPageHandler(
	mojo::PendingReceiver<new_tab_page::mojom::PageHandler>
	pending_page_handler,
	mojo::PendingRemote<new_tab_page::mojom::Page> pending_page,
	Profile* profile,
	NtpCustomBackgroundService* ntp_custom_background_service,
	ThemeService* theme_service,
	search_provider_logos::LogoService* logo_service,
	content::WebContents* web_contents,
	std::unique_ptr<NewTabPageFeaturePromoHelper>
	customize_chrome_feature_promo_helper,
	const base::Time& ntp_navigation_start_time,
	const std::vector<std::pair<const std::string, int>>* module_id_names);

	NewTabPageHandler(const NewTabPageHandler&) = delete;
	NewTabPageHandler& operator=(const NewTabPageHandler&) = delete;

	~NewTabPageHandler() override;

	// Histograms being recorded when a module is dismissed or restored.
	static const char kModuleDismissedHistogram[];
	static const char kModuleRestoredHistogram[];

	static void RegisterProfilePrefs(PrefRegistrySimple* registry);

	// new_tab_page::mojom::PageHandler:
	void SetMostVisitedSettings(bool custom_links_enabled, bool visible) override;
	void GetMostVisitedSettings(GetMostVisitedSettingsCallback callback) override;
	void SetBackgroundImage(const std::string& attribution_1,
	const std::string& attribution_2,
	const GURL& attribution_url,
	const GURL& image_url,
	const GURL& thumbnail_ur,
	const std::string& collection_id) override;
	void SetDailyRefreshCollectionId(const std::string& collection_id) override;
	void SetNoBackgroundImage() override;
	void RevertBackgroundChanges() override;
	void ConfirmBackgroundChanges() override;
	void GetBackgroundCollections(
	GetBackgroundCollectionsCallback callback) override;
	void GetBackgroundImages(const std::string& collection_id,
	GetBackgroundImagesCallback callback) override;
	void GetDoodle(GetDoodleCallback callback) override;
	void ChooseLocalCustomBackground(
	ChooseLocalCustomBackgroundCallback callback) override;
	void UpdatePromoData() override;
	void BlocklistPromo(const std::string& promo_id) override;
	void UndoBlocklistPromo(const std::string& promo_id) override;
	void OnDismissModule(const std::string& module_id) override;
	void OnRestoreModule(const std::string& module_id) override;
	void SetModulesVisible(bool visible) override;
	void SetModuleDisabled(const std::string& module_id, bool disabled) override;
	void UpdateDisabledModules() override;
	void OnModulesLoadedWithData(
	const std::vector<std::string>& module_ids) override;
	void OnModuleUsed(const std::string& module_id) override;
	void GetModulesIdNames(GetModulesIdNamesCallback callback) override;
	void SetModulesOrder(const std::vector<std::string>& module_ids) override;
	void GetModulesOrder(GetModulesOrderCallback callback) override;
	void IncrementModulesShownCount() override;
	void SetModulesFreVisible(bool visible) override;
	void UpdateModulesFreVisibility() override;
	void LogModulesFreOptInStatus(
	new_tab_page::mojom::OptInStatus opt_in_status) override;
	void SetCustomizeChromeSidePanelVisible(
	bool visible,
	new_tab_page::mojom::CustomizeChromeSection section) override;
	void IncrementCustomizeChromeButtonOpenCount() override;
	void MaybeShowFeaturePromo(
	new_tab_page::mojom::IphFeature iph_feature) override;
	void OnAppRendered(double time) override;
	void OnOneGoogleBarRendered(double time) override;
	void OnPromoRendered(double time,
	const std::optional<GURL>& log_url) override;
	void OnCustomizeDialogAction(
	new_tab_page::mojom::CustomizeDialogAction action) override;
	void OnDoodleImageClicked(new_tab_page::mojom::DoodleImageType type,
	const std::optional<GURL>& log_url) override;
	void OnDoodleImageRendered(new_tab_page::mojom::DoodleImageType type,
	double time,
	const GURL& log_url,
	OnDoodleImageRenderedCallback callback) override;
	void OnDoodleShared(new_tab_page::mojom::DoodleShareChannel channel,
	const std::string& doodle_id,
	const std::optional<std::string>& share_id) override;
	void OnPromoLinkClicked() override;

	private:
	// ui::NativeThemeObserver:
	void OnNativeThemeUpdated(ui::NativeTheme* observed_theme) override;

	// ThemeServiceObserver:
	void OnThemeChanged() override;

	// NtpCustomBackgroundServiceObserver:
	void OnCustomBackgroundImageUpdated() override;
	void OnNtpCustomBackgroundServiceShuttingDown() override;

	// NtpBackgroundServiceObserver:
	void OnCollectionInfoAvailable() override;
	void OnCollectionImagesAvailable() override;
	void OnNextCollectionImageAvailable() override;
	void OnNtpBackgroundServiceShuttingDown() override;

	// PromoServiceObserver:
	void OnPromoDataUpdated() override;
	void OnPromoServiceShuttingDown() override;

	// SettingsEnabledObserver:
	void OnChangeInFeatureCurrentlyEnabledState(bool is_now_enabled) override;

	// SelectFileDialog::Listener:
	void FileSelected(const ui::SelectedFileInfo& file,
	int index,
	void* params) override;
	void FileSelectionCanceled(void* params) override;

	void OnLogoAvailable(
	GetDoodleCallback callback,
	search_provider_logos::LogoCallbackReason type,
	const std::optional<search_provider_logos::EncodedLogo>& logo);

	void LogEvent(NTPLoggingEventType event);

	typedef base::OnceCallback<void(bool success,
	std::unique_ptr<std::string> body)>
	OnFetchResultCallback;
	void Fetch(const GURL& url, OnFetchResultCallback on_result);
	void OnFetchResult(const network::SimpleURLLoader* loader,
	OnFetchResultCallback on_result,
	std::unique_ptr<std::string> body);
	void OnLogFetchResult(OnDoodleImageRenderedCallback callback,
	bool success,
	std::unique_ptr<std::string> body);

	bool IsCustomLinksEnabled() const;
	bool IsShortcutsVisible() const;
	void NotifyCustomizeChromeSidePanelVisibilityChanged(bool is_open);
	void MaybeLaunchInteractionSurvey(std::string_view interaction,
	const std::string& module_id,
	int delay_time_ms = 0);
	void MaybeShowWebstoreToast();
	void IncrementDictPrefKeyCount(const std::string& pref_name,
	const std::string& key);

	// Returns a HaTS trigger id associated with the given combination of user
	// interaction and module id if one exists, or nullptr otherwise to indicate
	// that there is no configured survey trigger id for such combination. The
	// valid interaction names are defined in `kModuleInteractionNames`. The valid
	// module id strings are listed in `ntp::MakeModuleIdNames`.
	const std::string& GetSurveyTriggerIdForModuleAndInteraction(
	std::string_view interaction,
	const std::string& module_id);

	ChooseLocalCustomBackgroundCallback choose_local_custom_background_callback_;
	raw_ptr<NtpBackgroundService> ntp_background_service_;
	raw_ptr<NtpCustomBackgroundService> ntp_custom_background_service_;
	raw_ptr<search_provider_logos::LogoService> logo_service_;
	raw_ptr<const ui::ThemeProvider> theme_provider_;
	raw_ptr<ThemeService> theme_service_;
	GURL last_blocklisted_;
	GetBackgroundCollectionsCallback background_collections_callback_;
	base::TimeTicks background_collections_request_start_time_;
	std::string images_request_collection_id_;
	GetBackgroundImagesCallback background_images_callback_;
	base::TimeTicks background_images_request_start_time_;
	std::optional<base::TimeTicks> one_google_bar_load_start_time_;
	raw_ptr<Profile> profile_;
	scoped_refptr<ui::SelectFileDialog> select_file_dialog_;
	raw_ptr<content::WebContents> web_contents_;
	std::unique_ptr<NewTabPageFeaturePromoHelper> feature_promo_helper_;
	base::Time ntp_navigation_start_time_;
	raw_ptr<const std::vector<std::pair<const std::string, int>>>
	module_id_names_;
	NTPUserDataLogger logger_;
	std::unordered_map<const network::SimpleURLLoader*,
	std::unique_ptr<network::SimpleURLLoader>>
	loader_map_;
	PrefChangeRegistrar pref_change_registrar_;
	raw_ptr<PromoService> promo_service_;
	raw_ptr<OptimizationGuideKeyedService> optimization_guide_keyed_service_;
	base::ScopedObservation<ui::NativeTheme, ui::NativeThemeObserver>
	native_theme_observation_{this};
	base::ScopedObservation<ThemeService, ThemeServiceObserver>
	theme_service_observation_{this};
	base::ScopedObservation<NtpCustomBackgroundService,
	NtpCustomBackgroundServiceObserver>
	ntp_custom_background_service_observation_{this};
	base::ScopedObservation<PromoService, PromoServiceObserver>
	promo_service_observation_{this};
	std::optional<base::TimeTicks> promo_load_start_time_;
	base::Value::Dict interaction_module_id_trigger_dict_;

	// These are located at the end of the list of member variables to ensure the
	// WebUI page is disconnected before other members are destroyed.
	mojo::Remote<new_tab_page::mojom::Page> page_;
	mojo::Receiver<new_tab_page::mojom::PageHandler> receiver_;

	base::WeakPtrFactory<NewTabPageHandler> weak_ptr_factory_{this};
	};

	#endif // CHROME_BROWSER_UI_WEBUI_NEW_TAB_PAGE_NEW_TAB_PAGE_HANDLER_H_