Decouple c/b/cros/audio from c/b/speech.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.cc
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
index 8c1a5c3b6a1ada990ad82300ecb67e50735a0c2e..e44f278989fd115db89afc67892d0febbf90e7f3 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -67,6 +67,7 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/signin/token_service_factory.h"
+#include "chrome/browser/speech/extension_api/tts_extension_api_chromeos.h"
 #include "chrome/browser/system_monitor/removable_device_notifications_chromeos.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
@@ -329,7 +330,7 @@ void ChromeBrowserMainPartsChromeos::PostMainMessageLoopStart() {
 // Threads are initialized MainMessageLoopStart and MainMessageLoopRun.
 
 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
-  chromeos::AudioHandler::Initialize();
+  chromeos::AudioHandler::Initialize(base::Bind(&EnableChromeOsTts));
   chromeos::imageburner::BurnManager::Initialize();
 
   // Listen for system key events so that the user will be able to adjust the