Move GURL ParamTraits to url/ipc

As a part of the GPU refactor for Mus, we are trying to eliminate spots where content/common/gpu depends on
content/. One such dependency is GURL. As per discussion here:
https://codereview.chromium.org/1703163002/, the plan of record is to move
GURL ParamTraits out of content/ and into url/.

BUG=586368
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation

Committed: https://crrev.com/45eb2e749a8b08988ab45bfd6806c004e9f511fa
Cr-Commit-Position: refs/heads/master@{#378859}

Review URL: https://codereview.chromium.org/1722773002

Cr-Commit-Position: refs/heads/master@{#379122}

• BUILD.gn[diff]
• android_webview/android_webview.gyp[diff]
• build/all.gyp[diff]
• chrome/browser/chrome_content_browser_client.cc[diff]
• chrome/chrome_common.gypi[diff]
• chrome/common/common_message_generator.cc[diff]
• chrome/common/common_message_generator.h[diff]
• chrome/common/importer/profile_import_process_messages.h[diff]
• chrome/common/prerender_messages.h[diff]
• chrome/common/render_messages.h[diff]
• chrome/renderer/chrome_render_frame_observer.cc[diff]
• components/autofill.gypi[diff]
• components/content_settings.gypi[diff]
• components/content_settings/content/common/content_settings_messages.h[diff]
• components/nacl.gyp[diff]
• components/nacl/common/nacl_host_messages.h[diff]
• components/nacl/loader/BUILD.gn[diff]
• components/network_hints.gypi[diff]
• components/network_hints/common/network_hints_messages.h[diff]
• components/network_hints/renderer/renderer_dns_prefetch.cc[diff]
• components/password_manager.gypi[diff]
• components/password_manager/content/common/credential_manager_messages.h[diff]
• components/pdf.gypi[diff]
• components/pdf/common/pdf_messages.h[diff]
• components/safe_json/safe_json_parser_messages.h[diff]
• components/translate.gypi[diff]
• components/translate/content/common/translate_messages.h[diff]
• content/browser/frame_host/navigator_impl.cc[diff]
• content/browser/web_contents/web_contents_impl_unittest.cc[diff]
• content/child/plugin_messages.h[diff]
• content/child/service_worker/service_worker_dispatcher.cc[diff]
• content/common/BUILD.gn[diff]
• content/common/accessibility_messages.h[diff]
• content/common/appcache_messages.h[diff]
• content/common/browser_plugin/browser_plugin_messages.h[diff]
• content/common/clipboard_messages.h[diff]
• content/common/common_param_traits_unittest.cc[diff]
• content/common/devtools_messages.h[diff]
• content/common/dom_storage/dom_storage_messages.h[diff]
• content/common/drag_messages.h[diff]
• content/common/fileapi/webblob_messages.h[diff]
• content/common/gpu/gpu_host_messages.h[diff]
• content/common/input_messages.h[diff]
• content/content_browser.gypi[diff]
• content/content_child.gypi[diff]
• content/content_common.gypi[diff]
• content/content_renderer.gypi[diff]
• content/content_shell.gypi[diff]
• content/public/common/BUILD.gn[diff]
• content/public/common/common_param_traits.cc[diff]
• content/public/common/common_param_traits.h[diff]
• content/public/common/content_constants.cc[diff]
• content/renderer/render_frame_impl.cc[diff]
• content/renderer/render_view_impl.cc[diff]
• content/shell/common/layout_test/layout_test_messages.h[diff]
• extensions/common/extension_utility_messages.h[diff]
• extensions/extensions.gyp[diff]
• extensions/utility/unpacker.cc[diff]
• url/ipc/BUILD.gn[Added - diff]
• url/ipc/url_ipc.gyp[Added - diff]
• url/ipc/url_ipc_export.h[Added - diff]
• url/ipc/url_param_traits.cc[Added - diff]
• url/ipc/url_param_traits.h[Added - diff]
• url/ipc/url_param_traits_unittest.cc[Added - diff]
• url/url_constants.cc[diff]
• url/url_constants.h[diff]