Eliminate the dependency of Profile from TtsMessageFilter.

chrome/browser/speech/extension_api/tts_engine_extension_api.h

Index: chrome/browser/speech/extension_api/tts_engine_extension_api.h
diff --git a/chrome/browser/speech/extension_api/tts_engine_extension_api.h b/chrome/browser/speech/extension_api/tts_engine_extension_api.h
index 4d9310cf1d24a8b3aebd2104078f6a374fe3f420..2fb36f15bfe6ff606b06667caa826ff870555eea 100644
--- a/chrome/browser/speech/extension_api/tts_engine_extension_api.h
+++ b/chrome/browser/speech/extension_api/tts_engine_extension_api.h
@@ -12,6 +12,7 @@
 #include "extensions/browser/extension_function.h"
 
 class Utterance;
+class Profile;
 
 namespace base {
 class ListValue;
@@ -41,6 +42,7 @@ class TtsExtensionEngine : public TtsEngineDelegate {
   virtual void Pause(Utterance* utterance) OVERRIDE;
   virtual void Resume(Utterance* utterance) OVERRIDE;
   virtual bool LoadBuiltInTtsExtension(Profile* profile) OVERRIDE;
+  virtual Profile* GetProfile(int render_process_id) OVERRIDE;
 };
 
 // Hidden/internal extension function used to allow TTS engine extensions