Remove BrowserPlugin's -internal-attach method

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.
 
 // This module implements experimental API for <webview>.
 // See web_view.js for details.
 //
 // <webview> Experimental API is only available on canary and dev channels of
 // Chrome.
 
@@ skipping 93 matching lines @@
     if (actionTaken) {
       throw new Error(ERROR_MSG_CONTEXT_MENU_ACTION_ALREADY_TAKEN);
     }
     actionTaken = true;
   };
   var menu = {
     show: function(items) {
       validateCall();
       // TODO(lazyboy): WebViewShowContextFunction doesn't do anything useful
       // with |items|, implement.
-      WebView.showContextMenu(self.instanceId, requestId, items);
+      WebView.showContextMenu(self.guestInstanceId, requestId, items);
     }
   };
   webViewEvent.menu = menu;
   var webviewNode = this.webviewNode;
   var defaultPrevented = !webviewNode.dispatchEvent(webViewEvent);
   if (actionTaken) {
     return;
   }
   if (!defaultPrevented) {
     actionTaken = true;
     // The default action is equivalent to just showing the context menu as is.
-    WebView.showContextMenu(self.instanceId, requestId, undefined);
+    WebView.showContextMenu(self.guestInstanceId, requestId, undefined);
 
     // TODO(lazyboy): Figure out a way to show warning message only when
     // listeners are registered for this event.
   } //  else we will ignore showing the context menu completely.
 };
 
 WebViewInternal.prototype.maybeGetExperimentalEvents = function() {
   return {};
 };
 
 /** @private */
 WebViewInternal.prototype.maybeGetExperimentalPermissions = function() {
   return [];
 };
 
 /** @private */
 WebViewInternal.prototype.captureVisibleRegion = function(spec, callback) {
-  WebView.captureVisibleRegion(this.instanceId, spec, callback);
+  WebView.captureVisibleRegion(this.guestInstanceId, spec, callback);
 };
 
 WebViewInternal.maybeRegisterExperimentalAPIs = function(proto) {
   proto.captureVisibleRegion = function(spec, callback) {
     privates(this).internal.captureVisibleRegion(spec, callback);
   };
 };
 
 /** @private */
 WebViewInternal.prototype.setupExperimentalContextMenus = function() {
@@ skipping 33 matching lines @@
 
   // Expose <webview>.contextMenus object.
   Object.defineProperty(
       this.webviewNode,
       'contextMenus',
       {
         get: createContextMenus(),
         enumerable: true
       });
 };