Remove code whitelisting chrome://app-list/ for speech recognition.

chrome/browser/speech/chrome_speech_recognition_manager_delegate.cc

 // 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.
 
 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
 
 #include <set>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 398 matching lines @@
 
   if (!render_view_host) {
     // This happens for extensions. Manifest should be checked for permission.
     allowed = true;
     check_permission = false;
     BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                             base::Bind(callback, check_permission, allowed));
     return;
   }
 
+#if defined(ENABLE_EXTENSIONS)
   WebContents* web_contents = WebContents::FromRenderViewHost(render_view_host);
-
-  // chrome://app-list/ uses speech recognition.
-  if (web_contents->GetCommittedWebUI() &&
-      web_contents->GetLastCommittedURL().spec() ==
-      chrome::kChromeUIAppListStartPageURL) {
-    allowed = true;
-    check_permission = false;
-  }
-
-#if defined(ENABLE_EXTENSIONS)
   extensions::ViewType view_type = extensions::GetViewType(web_contents);
 
   if (view_type == extensions::VIEW_TYPE_TAB_CONTENTS ||
       view_type == extensions::VIEW_TYPE_APP_WINDOW ||
       view_type == extensions::VIEW_TYPE_LAUNCHER_PAGE ||
       view_type == extensions::VIEW_TYPE_VIRTUAL_KEYBOARD ||
       view_type == extensions::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE) {
     // If it is a tab, we can check for permission. For apps, this means
     // manifest would be checked for permission.
     allowed = true;
     check_permission = true;
   }
 #else
   // Otherwise this should be a regular tab contents.
   allowed = true;
   check_permission = true;
 #endif
 
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                           base::Bind(callback, check_permission, allowed));
 }
 
 }  // namespace speech