Moving web_view.js to extensions.

chrome/renderer/resources/extensions/chrome_web_view.js

+// Copyright 2014 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 chrome-specific <webview> API.
+
+var ChromeWebView = require('chromeWebViewInternal').ChromeWebView;
+var CreateEvent = require('webViewEvents').CreateEvent;
+var EventBindings = require('event_bindings');
+var WebViewInternal = require('webView').WebViewInternal
+
+var CHROME_WEB_VIEW_EVENTS = {
+  'contextmenu': {
+    evt: CreateEvent('chromeWebViewInternal.contextmenu'),
+    cancelable: true,
+    customHandler: function(handler, event, webViewEvent) {
+      handler.webViewInternal.maybeHandleContextMenu(event, webViewEvent);
+    },
+    fields: ['items']
+  }
+};
+
+/**
+ * Implemented when the ChromeWebView API is available.
+ * @private
+ */
+WebViewInternal.prototype.maybeGetChromeWebViewEvents = function() {
+  return CHROME_WEB_VIEW_EVENTS;
+};
+
+/**
+ * Calls to show contextmenu right away instead of dispatching a 'contextmenu'
+ * event.
+ * This will be overridden in chrome_web_view_experimental.js to implement
+ * contextmenu  API.
+ */
+WebViewInternal.prototype.maybeHandleContextMenu = function(e, webViewEvent) {
+  var requestId = e.requestId;
+  // Setting |params| = undefined will show the context menu unmodified, hence
+  // the 'contextmenu' API is disabled for stable channel.
+  var params = undefined;
+  ChromeWebView.showContextMenu(this.guestInstanceId, requestId, params);
+};