Add test for ChromeVox injection into webview

chrome/test/data/extensions/platform_apps/web_view/chromevox_injection/main.js

Index: chrome/test/data/extensions/platform_apps/web_view/chromevox_injection/main.js
diff --git a/chrome/test/data/extensions/platform_apps/web_view/speech/main.js b/chrome/test/data/extensions/platform_apps/web_view/chromevox_injection/main.js
similarity index 78%
copy from chrome/test/data/extensions/platform_apps/web_view/speech/main.js
copy to chrome/test/data/extensions/platform_apps/web_view/chromevox_injection/main.js
index 8a899977f5d0a3ede1fe923410af946369c3dce3..cfa8d13192c71a44369b338383ee82a2cf2e0cdf 100644
--- a/chrome/test/data/extensions/platform_apps/web_view/speech/main.js
+++ b/chrome/test/data/extensions/platform_apps/web_view/chromevox_injection/main.js
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Copyright (c) 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.
 
@@ -8,7 +8,7 @@ var startTest = function() {
 
 chrome.test.getConfig(function(config) {
   var guestURL = 'http://localhost:' + config.testServer.port +
-      '/extensions/platform_apps/web_view/speech/guest.html';
+      '/extensions/platform_apps/web_view/chromevox_injection/guest.html';
   document.querySelector('#webview-tag-container').innerHTML =
       '<webview style="width: 10px; height: 10px; margin: 0; padding: 0;"' +
       ' src="' + guestURL + '"' +