Add 5 experimental accessibility features on Chrome OS.

chrome/common/pref_names.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/common/pref_names.h"
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
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 // accessibility.  This feature is separate from displaying an onscreen keyboard
 // due to lack of a physical keyboard.
 const char kAccessibilityVirtualKeyboardEnabled[] =
     "settings.a11y.virtual_keyboard";
 // A boolean pref which determines whether autoclick is enabled.
 const char kAccessibilityAutoclickEnabled[] = "settings.a11y.autoclick";
 // An integer pref which determines time in ms between when the mouse cursor
 // stops and when an autoclick is triggered.
 const char kAccessibilityAutoclickDelayMs[] =
     "settings.a11y.autoclick_delay_ms";
+// A boolean pref which determines whether caret highlighting is enabled.
+const char kAccessibilityCaretHighlightEnabled[] =
+    "settings.a11y.caret_highlight";
+// A boolean pref which determines whether cursor highlighting is enabled.
+const char kAccessibilityCursorHighlightEnabled[] =
+    "settings.a11y.cursor_highlight";
+// A boolean pref which determines whether focus highlighting is enabled.
+const char kAccessibilityFocusHighlightEnabled[] =
+    "settings.a11y.focus_highlight";
+// A boolean pref which determines whether select-to-speak is enabled.
+const char kAccessibilitySelectToSpeakEnabled[] =
+    "settings.a11y.select_to_speak";
+// A boolean pref which determines whether switch access is enabled.
+const char kAccessibilitySwitchAccessEnabled[] =
+    "settings.a11y.switch_access";
 // A boolean pref which determines whether the accessibility menu shows
 // regardless of the state of a11y features.
 const char kShouldAlwaysShowAccessibilityMenu[] = "settings.a11y.enable_menu";
 
 // A boolean pref which turns on Advanced Filesystem
 // (USB support, SD card, etc).
 const char kLabsAdvancedFilesystemEnabled[] =
     "settings.labs.advanced_filesystem";
 
 // A boolean pref which turns on the mediaplayer.
@@ skipping 1568 matching lines @@
 const char kMediaRouterEnableCloudServices[] =
     "media_router.cloudservices.enabled";
 #endif  // defined(GOOGLE_CHROME_BUILD)
 // Whether or not the Media Router first run flow has been acknowledged by the
 // user.
 const char kMediaRouterFirstRunFlowAcknowledged[] =
     "media_router.firstrunflow.acknowledged";
 #endif
 
 }  // namespace prefs