[Pepper] Wire up append mode writing support of FileIO

content/browser/renderer_host/pepper/pepper_file_io_host.h

 // Copyright 2013 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_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/files/file.h"
 #include "base/memory/weak_ptr.h"
 #include "base/platform_file.h"
 #include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_platform_file.h"
 #include "ppapi/c/pp_file_info.h"
 #include "ppapi/c/pp_time.h"
 #include "ppapi/host/host_message_context.h"
 #include "ppapi/host/resource_host.h"
 #include "ppapi/shared_impl/file_io_state_manager.h"
 #include "url/gurl.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 
+namespace ppapi {
+struct FileGrowth;
+}
+
 namespace content {
 class PepperFileSystemBrowserHost;
 
 class PepperFileIOHost : public ppapi::host::ResourceHost,
                          public base::SupportsWeakPtr<PepperFileIOHost> {
  public:
   typedef base::Callback<void (base::File::Error)>
       NotifyCloseFileCallback;
 
   PepperFileIOHost(BrowserPpapiHostImpl* host,
@@ skipping 15 matching lines @@
  private:
   int32_t OnHostMsgOpen(ppapi::host::HostMessageContext* context,
                         PP_Resource file_ref_resource,
                         int32_t open_flags);
   int32_t OnHostMsgTouch(ppapi::host::HostMessageContext* context,
                          PP_Time last_access_time,
                          PP_Time last_modified_time);
   int32_t OnHostMsgSetLength(ppapi::host::HostMessageContext* context,
                              int64_t length);
   int32_t OnHostMsgClose(ppapi::host::HostMessageContext* context,
-                         int64_t max_written_offset);
+                         const ppapi::FileGrowth& file_growth);
   int32_t OnHostMsgFlush(ppapi::host::HostMessageContext* context);
   int32_t OnHostMsgRequestOSFileHandle(
       ppapi::host::HostMessageContext* context);
 
   void GotPluginAllowedToCallRequestOSFileHandle(
       ppapi::host::ReplyMessageContext reply_context,
       bool plugin_allowed);
 
   // Callback handlers. These mostly convert the File::Error to the
   // PP_Error code and send back the reply. Note that the argument
@@ skipping 65 matching lines @@
   scoped_refptr<base::MessageLoopProxy> file_message_loop_;
 
   base::WeakPtrFactory<PepperFileIOHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperFileIOHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_