Migrate chromevox classic tests

Change-Id: I8d8b30665ac9627c010002561e710449311a952b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1879333
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Commit-Queue: David Tseng <dtseng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709354}

• BUILD.gn[diff]
• chrome/browser/resources/chromeos/chromevox/BUILD.gn[diff]
• ui/accessibility/extensions/BUILD.gn[diff]
• ui/accessibility/extensions/README.chromium[diff]
• ui/accessibility/extensions/chromevoxclassic/BUILD.gn[diff]
• ui/accessibility/extensions/chromevoxclassic/README[diff]
• ui/accessibility/extensions/chromevoxclassic/chromevox/injected/event_watcher_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/chromevox/injected/event_watcher_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/chromevox/injected/live_regions_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/chromevox/injected/live_regions_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/chromevox/injected/navigation_manager_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/chromevox/injected/navigation_manager_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/chromevox/injected/user_commands_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/chromevox/injected/user_commands_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/aria_util_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/aria_util_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/braille_text_handler_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/braille_text_handler_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/braille_util_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/braille_util_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/content_editable_extractor_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/content_editable_extractor_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/cursor_selection_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/cursor_selection_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/dom_util_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/dom_util_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/editable_text_area_shadow_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/editable_text_area_shadow_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/editable_text_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/editable_text_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/find_util_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/find_util_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/key_sequence_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/key_sequence_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/math_semantic_tree_test.unitjs[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/common/page_selection_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/page_selection_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/selection_util_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/selection_util_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/spannable_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/spannable_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/common/string_util_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/common/string_util_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/host/testing/earcons.js[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/host/testing/host.js[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/host/testing/mathjax.js[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/host/testing/tts.js[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/testing/chromevox_unittest_base.js[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/testing/spoken_list_builder.js[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/testing/test_msgs.js[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/testing/tester.js[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/walkers/character_walker_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/walkers/character_walker_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/walkers/group_walker_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/walkers/group_walker_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/walkers/layout_line_walker_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/walkers/layout_line_walker_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/walkers/math_shifter_test.unitjs[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/walkers/object_walker_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/walkers/object_walker_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/walkers/sentence_walker_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/walkers/sentence_walker_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/walkers/structural_line_walker_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/walkers/structural_line_walker_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/walkers/table_walker_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/walkers/table_walker_test.unitjs - diff]
• ui/accessibility/extensions/chromevoxclassic/walkers/walker_unittest_base.js[Added - diff]
• ui/accessibility/extensions/chromevoxclassic/walkers/word_walker_test.unitjs[Renamed from chrome/browser/resources/chromeos/chromevox/walkers/word_walker_test.unitjs - diff]