Revert 232547 "Pepper: Move FileIO host from renderer to browser."

trunk/src/content/child/fileapi/file_system_dispatcher.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 CONTENT_CHILD_FILEAPI_FILE_SYSTEM_DISPATCHER_H_
 #define CONTENT_CHILD_FILEAPI_FILE_SYSTEM_DISPATCHER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 108 matching lines @@
              int* request_id_out,
              const WriteCallback& success_callback,
              const StatusCallback& error_callback);
   void Cancel(int request_id_to_cancel,
               const StatusCallback& callback);
   void TouchFile(const GURL& file_path,
                  const base::Time& last_access_time,
                  const base::Time& last_modified_time,
                  const StatusCallback& callback);
 
+  // This returns a raw open PlatformFile, unlike the above, which are
+  // self-contained operations.
+  void OpenPepperFile(const GURL& file_path,
+                      int pp_open_flags,
+                      const OpenFileCallback& success_callback,
+                      const StatusCallback& error_callback);
+  // This must be paired with OpenFile, and called after finished using the
+  // raw PlatformFile returned from OpenFile.
+  void NotifyCloseFile(int file_open_id);
+
   // The caller must send FileSystemHostMsg_DidReceiveSnapshot message
   // with |request_id| passed to |success_callback| after the snapshot file
   // is successfully received.
   void CreateSnapshotFile(const GURL& file_path,
                           const CreateSnapshotFileCallback& success_callback,
                           const StatusCallback& error_callback);
 
  private:
   class CallbackDispatcher;
 
@@ skipping 23 matching lines @@
       quota::QuotaLimitType quota_policy);
 
   IDMap<CallbackDispatcher, IDMapOwnPointer> dispatchers_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_FILEAPI_FILE_SYSTEM_DISPATCHER_H_