<webview>: Move UserAgentOverride to Stable

chrome/renderer/resources/extensions/web_view.js

 // 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.
 
 // Shim that simulates a <webview> tag via Mutation Observers.
 //
 // The actual tag is implemented via the browser plugin. The internals of this
 // are hidden via Shadow DOM.
 
 'use strict';
@@ skipping 897 matching lines @@
       this.webviewNode_,
       'request',
       {
         value: request,
         enumerable: true,
         writable: false
       }
   );
 };
 
+/** @private */
+WebViewInternal.prototype.getUserAgent_ = function() {
+  return this.userAgentOverride_ || navigator.userAgent;
+};
+
+/** @private */
+WebViewInternal.prototype.isUserAgentOverridden_ = function() {
+  return !!this.userAgentOverride_ &&
+      this.userAgentOverride_ != navigator.userAgent;
+};
+
+/** @private */
+WebViewInternal.prototype.setUserAgentOverride_ = function(userAgentOverride) {
+  this.userAgentOverride_ = userAgentOverride;
+  if (!this.instanceId_) {
+    // If we are not attached yet, then we will pick up the user agent on
+    // attachment.
+    return;
+  }
+  WebView.overrideUserAgent(this.instanceId_, userAgentOverride);
+};
+
 // Registers browser plugin <object> custom element.
 function registerBrowserPluginElement() {
   var proto = Object.create(HTMLObjectElement.prototype);
 
   proto.createdCallback = function() {
     this.setAttribute('type', 'application/browser-plugin');
     // The <object> node fills in the <webview> container.
     this.style.width = '100%';
     this.style.height = '100%';
   };
@@ skipping 75 matching lines @@
 
   proto.executeScript = function(var_args) {
     var internal = this.internal_(secret);
     $Function.apply(internal.executeScript_, internal, arguments);
   };
 
   proto.insertCSS = function(var_args) {
     var internal = this.internal_(secret);
     $Function.apply(internal.insertCSS_, internal, arguments);
   };
+
+  proto.getUserAgent = function() {
+    return this.internal_(secret).getUserAgent_();
+  };
+
+  proto.isUserAgentOverridden = function() {
+    return this.internal_(secret).isUserAgentOverridden_();
+  };
+
+  proto.setUserAgentOverride = function(userAgentOverride) {
+    this.internal_(secret).setUserAgentOverride_(userAgentOverride);
+  };
   WebViewInternal.maybeRegisterExperimentalAPIs(proto, secret);
 
   window.WebView =
       DocumentNatives.RegisterElement('webview', {prototype: proto});
 
   // Delete the callbacks so developers cannot call them and produce unexpected
   // behavior.
   delete proto.createdCallback;
   delete proto.attachedCallback;
   delete proto.detachedCallback;
@@ skipping 26 matching lines @@
  * Implemented when the experimental API is available.
  * @private
  */
 WebViewInternal.prototype.maybeGetExperimentalPermissions_ = function() {
   return [];
 };
 
 exports.WebView = WebView;
 exports.WebViewInternal = WebViewInternal;
 exports.CreateEvent = CreateEvent;