Extract ProcessManager from ExtensionSystem.

chrome/browser/speech/extension_api/tts_engine_extension_api.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/extension_api/tts_engine_extension_api.h"
 
 #include <string>
 
 #include "base/json/json_writer.h"
 #include "base/values.h"
@@ skipping 36 matching lines @@
 
 void WarnIfMissingPauseOrResumeListener(
     Profile* profile, EventRouter* event_router, std::string extension_id) {
   bool has_onpause = event_router->ExtensionHasEventListener(
       extension_id, tts_engine_events::kOnPause);
   bool has_onresume = event_router->ExtensionHasEventListener(
       extension_id, tts_engine_events::kOnResume);
   if (has_onpause == has_onresume)
     return;
 
-  extensions::ProcessManager* process_manager =
-      ExtensionSystem::Get(profile)->process_manager();
   extensions::ExtensionHost* host =
-      process_manager->GetBackgroundHostForExtension(extension_id);
+      extensions::ProcessManager::Get(profile)
+          ->GetBackgroundHostForExtension(extension_id);
   host->render_process_host()->Send(new ExtensionMsg_AddMessageToConsole(
       host->render_view_host()->GetRoutingID(),
       content::CONSOLE_MESSAGE_LEVEL_WARNING,
       constants::kErrorMissingPauseOrResume));
 }
 
 }  // namespace
 
 TtsExtensionEngine* TtsExtensionEngine::GetInstance() {
   return Singleton<TtsExtensionEngine>::get();
@@ skipping 232 matching lines @@
         utterance_id, TTS_EVENT_PAUSE, char_index, std::string());
   } else if (event_type == constants::kEventTypeResume) {
     controller->OnTtsEvent(
         utterance_id, TTS_EVENT_RESUME, char_index, std::string());
   } else {
     EXTENSION_FUNCTION_VALIDATE(false);
   }
 
   return true;
 }