Eliminate the dependency of Profile from TtsMessageFilter.

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 52 matching lines @@
       content::CONSOLE_MESSAGE_LEVEL_WARNING,
       constants::kErrorMissingPauseOrResume));
 }
 
 }  // namespace
 
 TtsExtensionEngine* TtsExtensionEngine::GetInstance() {
   return Singleton<TtsExtensionEngine>::get();
 }
 
-void TtsExtensionEngine::GetVoices(Profile* profile,
+void TtsExtensionEngine::GetVoices(content::BrowserContext* browser_context,
     std::vector<VoiceData>* out_voices) {
+  Profile* profile = Profile::FromBrowserContext(browser_context);
   EventRouter* event_router = EventRouter::Get(profile);
   DCHECK(event_router);
 
   bool is_offline = (net::NetworkChangeNotifier::GetConnectionType() ==
                      net::NetworkChangeNotifier::CONNECTION_NONE);
 
   const extensions::ExtensionSet& extensions =
       extensions::ExtensionRegistry::Get(profile)->enabled_extensions();
   extensions::ExtensionSet::const_iterator iter;
   for (iter = extensions.begin(); iter != extensions.end(); ++iter) {
@@ skipping 84 matching lines @@
   if (!options->HasKey(constants::kVoiceNameKey))
     options->SetString(constants::kVoiceNameKey, voice.name);
   if (!options->HasKey(constants::kLangKey))
     options->SetString(constants::kLangKey, voice.lang);
 
   args->Append(options.release());
   args->AppendInteger(utterance->id());
 
   scoped_ptr<extensions::Event> event(new extensions::Event(
       tts_engine_events::kOnSpeak, args.Pass()));
-  event->restrict_to_browser_context = utterance->profile();
-  EventRouter::Get(utterance->profile())
+  Profile* profile = Profile::FromBrowserContext(utterance->browser_context());
+  event->restrict_to_browser_context = profile;
+  EventRouter::Get(profile)
       ->DispatchEventToExtension(utterance->extension_id(), event.Pass());
 }
 
 void TtsExtensionEngine::Stop(Utterance* utterance) {
   scoped_ptr<base::ListValue> args(new base::ListValue());
   scoped_ptr<extensions::Event> event(new extensions::Event(
       tts_engine_events::kOnStop, args.Pass()));
-  event->restrict_to_browser_context = utterance->profile();
-  EventRouter::Get(utterance->profile())
+  Profile* profile = Profile::FromBrowserContext(utterance->browser_context());
+  event->restrict_to_browser_context = profile;
+  EventRouter::Get(profile)
       ->DispatchEventToExtension(utterance->extension_id(), event.Pass());
 }
 
 void TtsExtensionEngine::Pause(Utterance* utterance) {
   scoped_ptr<base::ListValue> args(new base::ListValue());
   scoped_ptr<extensions::Event> event(new extensions::Event(
       tts_engine_events::kOnPause, args.Pass()));
-  Profile* profile = utterance->profile();
+  Profile* profile = Profile::FromBrowserContext(utterance->browser_context());
   event->restrict_to_browser_context = profile;
   EventRouter* event_router = EventRouter::Get(profile);
   std::string id = utterance->extension_id();
   event_router->DispatchEventToExtension(id, event.Pass());
   WarnIfMissingPauseOrResumeListener(profile, event_router, id);
 }
 
 void TtsExtensionEngine::Resume(Utterance* utterance) {
   scoped_ptr<base::ListValue> args(new base::ListValue());
   scoped_ptr<extensions::Event> event(new extensions::Event(
       tts_engine_events::kOnResume, args.Pass()));
-  Profile* profile = utterance->profile();
+  Profile* profile = Profile::FromBrowserContext(utterance->browser_context());
   event->restrict_to_browser_context = profile;
   EventRouter* event_router = EventRouter::Get(profile);
   std::string id = utterance->extension_id();
   event_router->DispatchEventToExtension(id, event.Pass());
   WarnIfMissingPauseOrResumeListener(profile, event_router, id);
 }
 
-bool TtsExtensionEngine::LoadBuiltInTtsExtension(Profile* profile) {
+bool TtsExtensionEngine::LoadBuiltInTtsExtension(
+    content::BrowserContext* browser_context) {
 #if defined(OS_CHROMEOS)
+  Profile* profile = Profile::FromBrowserContext(browser_context);
   // Check to see if the engine was previously loaded.
   if (TtsEngineExtensionObserver::GetInstance(profile)->SawExtensionLoad(
           extension_misc::kSpeechSynthesisExtensionId, true)) {
     return false;
   }
 
   // Load the component extension into this profile.
   ExtensionService* extension_service =
       extensions::ExtensionSystem::Get(profile)->extension_service();
   DCHECK(extension_service);
@@ skipping 69 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;
 }