Toggle spoken feedback if two fingers are held down.

chrome/browser/chromeos/accessibility/accessibility_manager.cc

Index: chrome/browser/chromeos/accessibility/accessibility_manager.cc
diff --git a/chrome/browser/chromeos/accessibility/accessibility_manager.cc b/chrome/browser/chromeos/accessibility/accessibility_manager.cc
index fe448ff44ee1c26008faa9449737dc071db1479d..252ba75f55eaa96adb0e34a7413af49eb680b4f7 100644
--- a/chrome/browser/chromeos/accessibility/accessibility_manager.cc
+++ b/chrome/browser/chromeos/accessibility/accessibility_manager.cc
@@ -295,6 +295,12 @@ AccessibilityManager::AccessibilityManager()
                       bundle.GetRawDataResource(IDR_SOUND_EXIT_SCREEN_WAV));
   manager->Initialize(SOUND_ENTER_SCREEN,
                       bundle.GetRawDataResource(IDR_SOUND_ENTER_SCREEN_WAV));
+  manager->Initialize(SOUND_SPOKEN_FEEDBACK_TOGGLE_COUNTDOWN_HIGH,
+                      bundle.GetRawDataResource(
+                          IDR_SOUND_SPOKEN_FEEDBACK_TOGGLE_COUNTDOWN_HIGH_WAV));
+  manager->Initialize(SOUND_SPOKEN_FEEDBACK_TOGGLE_COUNTDOWN_LOW,
+                      bundle.GetRawDataResource(
+                          IDR_SOUND_SPOKEN_FEEDBACK_TOGGLE_COUNTDOWN_LOW_WAV));
 
   base::FilePath resources_path;
   if (!PathService::Get(chrome::DIR_RESOURCES, &resources_path))
@@ -551,6 +557,12 @@ bool AccessibilityManager::PlayEarcon(int sound_key, PlaySoundOption option) {
   return media::SoundsManager::Get()->Play(sound_key);
 }
 
+bool AccessibilityManager::PlaySpokenFeedbackToggleCountdown(int tick_count) {
+  return media::SoundsManager::Get()->Play(
+      tick_count % 2 ? SOUND_SPOKEN_FEEDBACK_TOGGLE_COUNTDOWN_HIGH
+                     : SOUND_SPOKEN_FEEDBACK_TOGGLE_COUNTDOWN_LOW);
+}
+
 void AccessibilityManager::HandleAccessibilityGesture(ui::AXGesture gesture) {
   extensions::EventRouter* event_router =
       extensions::EventRouter::Get(profile());