Implement web speech synthesis.

chrome/browser/chrome_content_browser_client.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 173 matching lines @@
       const GURL& source_origin,
       WindowContainerType container_type,
       content::ResourceContext* context,
       int render_process_id,
       bool* no_javascript_access) OVERRIDE;
   virtual std::string GetWorkerProcessTitle(
       const GURL& url, content::ResourceContext* context) OVERRIDE;
   virtual void ResourceDispatcherHostCreated() OVERRIDE;
   virtual content::SpeechRecognitionManagerDelegate*
       GetSpeechRecognitionManagerDelegate() OVERRIDE;
+  virtual scoped_ptr<content::TtsDispatcherHostDelegate>
+      CreateTtsDispatcherHostDelegate() OVERRIDE;
   virtual net::NetLog* GetNetLog() OVERRIDE;
   virtual content::AccessTokenStore* CreateAccessTokenStore() OVERRIDE;
   virtual bool IsFastShutdownPossible() OVERRIDE;
   virtual void OverrideWebkitPrefs(content::RenderViewHost* rvh,
                                    const GURL& url,
                                    webkit_glue::WebPreferences* prefs) OVERRIDE;
   virtual void UpdateInspectorSetting(content::RenderViewHost* rvh,
                                       const std::string& key,
                                       const std::string& value) OVERRIDE;
   virtual void ClearInspectorSettings(content::RenderViewHost* rvh) OVERRIDE;
@@ skipping 44 matching lines @@
   // Cached version of the locale so we can return the locale on the I/O
   // thread.
   std::string io_thread_application_locale_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_