Avoid sync IPCs for FileSystem API [chromium] (2/4)

chrome/browser/content_settings/tab_specific_content_settings.h

 // 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.
 
 #ifndef CHROME_BROWSER_CONTENT_SETTINGS_TAB_SPECIFIC_CONTENT_SETTINGS_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_TAB_SPECIFIC_CONTENT_SETTINGS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 141 matching lines @@
 
   // Called when a specific file system in the current page was accessed.
   // If access was blocked due to the user's content settings,
   // |blocked_by_policy| should be true, and this function should invoke
   // OnContentBlocked.
   static void FileSystemAccessed(int render_process_id,
                                  int render_frame_id,
                                  const GURL& url,
                                  bool blocked_by_policy);
 
+  // Called when a specific file system in the current page was accessed.
+  // If access was blocked due to the user's content settings,
+  // |blocked_by_policy| should be true, and this function should invoke
+  // OnContentBlocked.
+  // This function will call a callback function to send an asynchronized
+  // message.
+  static void FileSystemAccessedAsyn(
+      int routing_id,
+      int render_process_id,
+      int render_frame_id,
+      const GURL& url,
+      bool blocked_by_policy,
+      base::Callback<void(int, int, bool)> Callbacks);
+
   // Resets the |content_blocked_| and |content_allowed_| arrays, except for
   // CONTENT_SETTINGS_TYPE_COOKIES related information.
   void ClearBlockedContentSettingsExceptForCookies();
 
   // Resets all cookies related information.
   void ClearCookieSpecificContentSettings();
 
   // Clears the Geolocation settings.
   void ClearGeolocationContentSettings();
 
@@ skipping 245 matching lines @@
 
   // The devices to be displayed in the media bubble when the media stream
   // request is requesting certain specific devices.
   std::string media_stream_requested_audio_device_;
   std::string media_stream_requested_video_device_;
 
   DISALLOW_COPY_AND_ASSIGN(TabSpecificContentSettings);
 };
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_TAB_SPECIFIC_CONTENT_SETTINGS_H_