Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/speech/tts_controller.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/browser/speech/tts_controller.h"
 
 #include <string>
 #include <vector>
 
 #include "base/float_util.h"
 #include "base/values.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
 #include "chrome/browser/speech/extension_api/tts_extension_api.h"
 #include "chrome/browser/speech/tts_platform.h"
 #include "chrome/common/extensions/api/speech/tts_engine_manifest_handler.h"
+#include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
 
 namespace {
 // A value to be used to indicate that there is no char index available.
 const int kInvalidCharIndex = -1;
 
 // Given a language/region code of the form 'fr-FR', returns just the basic
 // language portion, e.g. 'fr'.
 std::string TrimLanguageCode(std::string lang) {
   if (lang.size() >= 5 && lang[2] == '-')
@@ skipping 373 matching lines @@
 }
 
 void TtsController::AddVoicesChangedDelegate(VoicesChangedDelegate* delegate) {
   voices_changed_delegates_.insert(delegate);
 }
 
 void TtsController::RemoveVoicesChangedDelegate(
     VoicesChangedDelegate* delegate) {
   voices_changed_delegates_.erase(delegate);
 }