Drive extension functions from ExtensionFunction::Run. The

chrome/browser/speech/extension_api/tts_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_extension_api.h"
 
 #include <string>
 
 #include "base/lazy_instance.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 117 matching lines @@
       new extensions::Event(events::kOnEvent, arguments.Pass()));
   event->restrict_to_browser_context = utterance->profile();
   event->event_url = utterance->src_url();
   extensions::EventRouter::Get(utterance->profile())
       ->DispatchEventToExtension(utterance->src_extension_id(), event.Pass());
 
   if (utterance->finished())
     delete this;
 }
 
-bool TtsSpeakFunction::RunImpl() {
+bool TtsSpeakFunction::RunAsync() {
   std::string text;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &text));
   if (text.size() > 32768) {
     error_ = constants::kErrorUtteranceTooLong;
     return false;
   }
 
   scoped_ptr<base::DictionaryValue> options(new base::DictionaryValue());
   if (args_->GetSize() >= 2) {
     base::DictionaryValue* temp_options = NULL;
@@ skipping 207 matching lines @@
 }
 
 static base::LazyInstance<BrowserContextKeyedAPIFactory<TtsAPI> > g_factory =
     LAZY_INSTANCE_INITIALIZER;
 
 BrowserContextKeyedAPIFactory<TtsAPI>* TtsAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 }  // namespace extensions