Split file_observers.h into three files for each class

webkit/browser/fileapi/obfuscated_file_util.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 "webkit/browser/fileapi/obfuscated_file_util.h"
 
 #include <queue>
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "url/gurl.h"
-#include "webkit/browser/fileapi/file_observers.h"
+#include "webkit/browser/fileapi/file_change_observer.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/browser/fileapi/file_system_operation_context.h"
 #include "webkit/browser/fileapi/file_system_url.h"
+#include "webkit/browser/fileapi/file_update_observer.h"
 #include "webkit/browser/fileapi/native_file_util.h"
 #include "webkit/browser/fileapi/sandbox_file_system_backend.h"
 #include "webkit/browser/fileapi/sandbox_isolated_origin_database.h"
 #include "webkit/browser/fileapi/sandbox_origin_database.h"
 #include "webkit/browser/fileapi/timed_task_helper.h"
 #include "webkit/browser/quota/quota_manager.h"
 #include "webkit/common/database/database_identifier.h"
 #include "webkit/common/fileapi/file_system_util.h"
 
 // Example of various paths:
@@ skipping 1420 matching lines @@
       UMA_HISTOGRAM_ENUMERATION("FileSystem.IsolatedOriginStatus",
                                 kIsolatedOriginMatch,
                                 kIsolatedOriginStatusMax);
     }
     return false;
   }
   return false;
 }
 
 }  // namespace fileapi