Implement web speech synthesis.

content/public/browser/content_browser_client.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 "content/public/browser/content_browser_client.h"
 
 #include "base/files/file_path.h"
 #include "googleurl/src/gurl.h"
 #include "ui/gfx/image/image_skia.h"
 
@@ skipping 217 matching lines @@
 std::string ContentBrowserClient::GetWorkerProcessTitle(
     const GURL& url, ResourceContext* context) {
   return std::string();
 }
 
 SpeechRecognitionManagerDelegate*
     ContentBrowserClient::GetSpeechRecognitionManagerDelegate() {
   return NULL;
 }
 
+TtsDispatcherHostDelegate*
+    ContentBrowserClient::GetTtsDispatcherHostDelegate() {
+  return NULL;
+}
+
 net::NetLog* ContentBrowserClient::GetNetLog() {
   return NULL;
 }
 
 AccessTokenStore* ContentBrowserClient::CreateAccessTokenStore() {
   return NULL;
 }
 
 bool ContentBrowserClient::IsFastShutdownPossible() {
   return true;
@@ skipping 35 matching lines @@
 #endif
 
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ContentBrowserClient::GetCryptoPasswordDelegate(const GURL& url) {
   return NULL;
 }
 #endif
 
 }  // namespace content