Eliminate the dependency of Profile from TtsMessageFilter.

chrome/browser/speech/tts_controller_impl.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_SPEECH_TTS_CONTROLLER_IMPL_H_
 #define CHROME_BROWSER_SPEECH_TTS_CONTROLLER_IMPL_H_
 
 #include <queue>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/speech/tts_controller.h"
 #include "url/gurl.h"
 
+namespace content {
+class BrowserContext;
+}
+
 // Singleton class that manages text-to-speech for the TTS and TTS engine
 // extension APIs, maintaining a queue of pending utterances and keeping
 // track of all state.
 class TtsControllerImpl : public TtsController {
  public:
   // Get the single instance of this class.
   static TtsControllerImpl* GetInstance();
 
   // TtsController methods
   virtual bool IsSpeaking() OVERRIDE;
   virtual void SpeakOrEnqueue(Utterance* utterance) OVERRIDE;
   virtual void Stop() OVERRIDE;
   virtual void Pause() OVERRIDE;
   virtual void Resume() OVERRIDE;
   virtual void OnTtsEvent(int utterance_id,
                   TtsEventType event_type,
                   int char_index,
                   const std::string& error_message) OVERRIDE;
-  virtual void GetVoices(Profile* profile,
+  virtual void GetVoices(content::BrowserContext* browser_context,
                          std::vector<VoiceData>* out_voices) OVERRIDE;
   virtual void VoicesChanged() OVERRIDE;
   virtual void AddVoicesChangedDelegate(
       VoicesChangedDelegate* delegate) OVERRIDE;
   virtual void RemoveVoicesChangedDelegate(
       VoicesChangedDelegate* delegate) OVERRIDE;
   virtual void SetTtsEngineDelegate(TtsEngineDelegate* delegate) OVERRIDE;
   virtual TtsEngineDelegate* GetTtsEngineDelegate() OVERRIDE;
   virtual void SetPlatformImpl(TtsPlatformImpl* platform_impl) OVERRIDE;
   virtual int QueueSize() OVERRIDE;
@@ skipping 43 matching lines @@
   // dependency injection.
   TtsPlatformImpl* platform_impl_;
 
   // The delegate that processes TTS requests with user-installed extensions.
   TtsEngineDelegate* tts_engine_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(TtsControllerImpl);
 };
 
 #endif  // CHROME_BROWSER_SPEECH_TTS_CONTROLLER_IMPL_H_