Add 5 experimental accessibility features on Chrome OS.

chrome/common/pref_names.h

Index: chrome/common/pref_names.h
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index 1e3bd63197d14dbb909f71c3a54656d102eb140e..a1fffed133517e5831714affc13727f7f94c519a 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -205,6 +205,9 @@ extern const char kLanguageSendFunctionKeys[];
 extern const char kLanguageXkbAutoRepeatEnabled[];
 extern const char kLanguageXkbAutoRepeatDelay[];
 extern const char kLanguageXkbAutoRepeatInterval[];
+
+// TODO(dmazzoni): move accessibility prefs out of chrome/.
+// http://crbug.com/594887
 extern const char kAccessibilityLargeCursorEnabled[];
 extern const char kAccessibilityStickyKeysEnabled[];
 extern const char kAccessibilitySpokenFeedbackEnabled[];
@@ -216,7 +219,13 @@ extern const char kAccessibilityScreenMagnifierScale[];
 extern const char kAccessibilityVirtualKeyboardEnabled[];
 extern const char kAccessibilityAutoclickEnabled[];
 extern const char kAccessibilityAutoclickDelayMs[];
+extern const char kAccessibilityCaretHighlightEnabled[];
+extern const char kAccessibilityCursorHighlightEnabled[];
+extern const char kAccessibilityFocusHighlightEnabled[];
+extern const char kAccessibilitySelectToSpeakEnabled[];
+extern const char kAccessibilitySwitchAccessEnabled[];
 extern const char kShouldAlwaysShowAccessibilityMenu[];
+
 extern const char kLabsAdvancedFilesystemEnabled[];
 extern const char kLabsMediaplayerEnabled[];
 extern const char kEnableAutoScreenLock[];