Moving the MHTML API out of experimental and renaming it.

chrome/renderer/resources/extensions/schema_generated_bindings.js

 // Copyright (c) 2011 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.
 
 // This script contains privileged chrome extension related javascript APIs.
 // It is loaded by pages whose URL has the chrome-extension protocol.
 
 var chrome = chrome || {};
 (function() {
   native function GetExtensionAPIDefinition();
@@ skipping 796 matching lines @@
         try {
           if (responseCallback)
             responseCallback(response);
         } finally {
           port.disconnect();
           port = null;
         }
       });
     };
 
-    apiFunctions["experimental.savePage.saveAsMHTML"].customCallback =
+    apiFunctions["pageCapture.saveAsMHTML"].customCallback =
       function(name, request, response) {
         var params = chromeHidden.JSON.parse(response);
         var path = params.mhtmlFilePath;
         var size = params.mhtmlFileLength;
 
         if (request.callback)
           request.callback(CreateBlob(path, size));
         request.callback = null;
 
         // Notify the browser. Now that the blob is referenced from JavaScript,
@@ skipping 280 matching lines @@
 
   if (!chrome.tts)
     chrome.tts = {};
 
   if (!chrome.ttsEngine)
     chrome.ttsEngine = {};
 
   if (!chrome.experimental.downloads)
     chrome.experimental.downloads = {};
 })();