Moving web_view.js to extensions.

extensions/renderer/resources/web_view_experimental.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 experimental API for <webview>.
+// See web_view.js for details.
+//
+// <webview> Experimental API is only available on canary and dev channels of
+// Chrome.
+
+var WebViewInternal = require('webView').WebViewInternal;
+
+WebViewInternal.prototype.maybeGetExperimentalEvents = function() {
+  return {};
+};
+
+/** @private */
+WebViewInternal.prototype.maybeGetExperimentalPermissions = function() {
+  return [];
+};
+
+/** @private */
+WebViewInternal.prototype.captureVisibleRegion = function(spec, callback) {
+  WebView.captureVisibleRegion(this.guestInstanceId, spec, callback);
+};
+
+WebViewInternal.maybeRegisterExperimentalAPIs = function(proto) {
+  proto.captureVisibleRegion = function(spec, callback) {
+    privates(this).internal.captureVisibleRegion(spec, callback);
+  };
+};