Speculative fix for executeScript bug.

extensions/renderer/resources/guest_view/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.
 
 // This module implements WebView (<webview>) as a custom element that wraps a
 // BrowserPlugin object element. The object element is hidden within
 // the shadow DOM of the WebView element.
 
 var DocumentNatives = requireNative('document_natives');
 var GuestView = require('guestView').GuestView;
@@ skipping 223 matching lines @@
 };
 
 // Shared implementation of executeScript() and insertCSS().
 WebViewImpl.prototype.executeCode = function(func, args) {
   if (!this.guest.getId()) {
     window.console.error(WebViewConstants.ERROR_MSG_CANNOT_INJECT_SCRIPT);
     return false;
   }
 
   var webviewSrc = this.attributes[WebViewConstants.ATTRIBUTE_SRC].getValue();
-  if (this.baseUrlForDataUrl != '') {
+  if (this.baseUrlForDataUrl) {
     webviewSrc = this.baseUrlForDataUrl;
   }
 
   args = $Array.concat([this.guest.getId(), webviewSrc],
                        $Array.slice(args));
   $Function.apply(func, null, args);
   return true;
 }
 
 // Implemented when the ChromeWebView API is available.
 WebViewImpl.prototype.maybeGetChromeWebViewEvents = function() {};
 
 // Implemented when the experimental WebView API is available.
 WebViewImpl.maybeGetExperimentalApiMethods = function() { return []; };
 WebViewImpl.prototype.setupExperimentalContextMenus = function() {};
 WebViewImpl.prototype.maybeSetupExperimentalChromeWebViewEvents =
   function(request) {
     return request;
 };
 
 GuestViewContainer.registerElement(WebViewImpl);
 
 // Exports.
 exports.WebViewImpl = WebViewImpl;