Fix to enable toggling accessibility using Ctrl+Alt+Z

chrome/browser/chromeos/login/wizard_accessibility_handler.cc

Index: chrome/browser/chromeos/login/wizard_accessibility_handler.cc
===================================================================
--- chrome/browser/chromeos/login/wizard_accessibility_handler.cc	(revision 69334)
+++ chrome/browser/chromeos/login/wizard_accessibility_handler.cc	(working copy)
@@ -13,7 +13,6 @@
 #include "base/string_number_conversions.h"
 #include "chrome/browser/accessibility_events.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
-#include "chrome/browser/chromeos/cros/speech_synthesis_library.h"
 #include "chrome/browser/extensions/extension_accessibility_api.h"
 #include "chrome/browser/extensions/extension_accessibility_api_constants.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ -109,8 +108,18 @@
   EarconType earcon = NO_EARCON;
   DescribeAccessibilityEvent(type, control_info, &description, &earcon);
   Speak(description.c_str(), false, true);
+  if (earcon != NO_EARCON) {
+    PlayEarcon(earcon);
+  }

[xiyuan, 2010/12/15 23:07:20]

nit: you don't need wrap one-liner in "{}"

 }
 
+void WizardAccessibilityHandler::PlayEarcon(EarconType earcon_type) {
+  if (chromeos::CrosLibrary::Get()->EnsureLoaded()) {
+    chromeos::CrosLibrary::Get()->GetSpeechSynthesisLibrary()->
+        PlayEarcon(earcon_type);
+  }
+}
+
 void WizardAccessibilityHandler::Speak(const char* speak_str,
                                        bool queue,
                                        bool interruptible) {