<webview>: Move UserAgentOverride to Stable

chrome/renderer/resources/extensions/web_view_experimental.js

 // Copyright 2013 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 extension to provide permission request API (and possibly other future
 // experimental APIs) for <webview> tag.
 // See web_view.js for details.
 //
 // We want to control the permission API feature in <webview> separately from
 // the <webview> feature itself. <webview> is available in stable channel, but
@@ skipping 121 matching lines @@
 /** @private */
 WebViewInternal.prototype.clearData_ = function(var_args) {
   if (!this.instanceId_) {
     return;
   }
   var args = $Array.concat([this.instanceId_], $Array.slice(arguments));
   $Function.apply(WebView.clearData, null, args);
 };
 
 /** @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);
-};
-
-/** @private */
 WebViewInternal.prototype.captureVisibleRegion_ = function(spec, callback) {
   WebView.captureVisibleRegion(this.instanceId_, spec, callback);
 };
 
 WebViewInternal.maybeRegisterExperimentalAPIs = function(proto, secret) {
   proto.clearData = function(var_args) {
     var internal = this.internal_(secret);
     $Function.apply(internal.clearData_, 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);
-  };
-
   proto.captureVisibleRegion = function(spec, callback) {
     this.internal_(secret).captureVisibleRegion_(spec, callback);
   };
 };