Switch a bunch of remaining filters to derive from BrowserMessageFilters so t...

chrome/browser/file_system/file_system_dispatcher_host.h

 // Copyright (c) 2010 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_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_HOST_H_
 #define CHROME_BROWSER_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_HOST_H_
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
-#include "base/process.h"
-#include "base/ref_counted.h"
-#include "ipc/ipc_message.h"
+#include "chrome/browser/browser_message_filter.h"
 #include "webkit/fileapi/file_system_types.h"
 
 namespace base {
 class Time;
 }
 
 class ChromeURLRequestContext;
 class BrowserFileSystemContext;
 class FilePath;
 class GURL;
 class HostContentSettingsMap;
 class Profile;
 class Receiver;
 class ResourceMessageFilter;
 class URLRequestContext;
 class URLRequestContextGetter;
 
 namespace fileapi {
 class SandboxedFileSystemOperation;
 }
 
-class FileSystemDispatcherHost
-    : public base::RefCountedThreadSafe<FileSystemDispatcherHost> {
+class FileSystemDispatcherHost : public BrowserMessageFilter {
  public:
   // Used by the renderer.
-  FileSystemDispatcherHost(IPC::Message::Sender* sender,
-                           Profile* profile);
+  explicit FileSystemDispatcherHost(Profile* profile);
   // Used by the worker, since it has the context handy already.
-  FileSystemDispatcherHost(IPC::Message::Sender* sender,
-                           ChromeURLRequestContext* context);
+  explicit FileSystemDispatcherHost(ChromeURLRequestContext* context);
   ~FileSystemDispatcherHost();
-  void Init(base::ProcessHandle process_handle);
-  void Shutdown();
 
-  bool OnMessageReceived(const IPC::Message& message, bool* message_was_ok);
+  // BrowserMessageFilter implementation.
+  virtual void OnChannelConnected(int32 peer_pid);
+  virtual bool OnMessageReceived(const IPC::Message& message,
+                                 bool* message_was_ok);
+
 
   void OnOpenFileSystem(int request_id,
                         const GURL& origin_url,
                         fileapi::FileSystemType type,
                         int64 requested_size,
                         bool create);
   void OnMove(int request_id,
               const FilePath& src_path,
               const FilePath& dest_path);
   void OnCopy(int request_id,
@@ skipping 11 matching lines @@
   void OnWrite(int request_id,
                const FilePath& path,
                const GURL& blob_url,
                int64 offset);
   void OnTruncate(int request_id, const FilePath& path, int64 length);
   void OnTouchFile(int request_id,
                    const FilePath& path,
                    const base::Time& last_access_time,
                    const base::Time& last_modified_time);
   void OnCancel(int request_id, int request_to_cancel);
-  void Send(IPC::Message* message);
   void UnregisterOperation(int request_id);
 
  private:
   // Creates a new SandboxedFileSystemOperation.
   fileapi::SandboxedFileSystemOperation* GetNewOperation(int request_id);
 
-  // The sender to be used for sending out IPC messages.
-  IPC::Message::Sender* message_sender_;
-
-  // The handle of this process.
-  base::ProcessHandle process_handle_;
-
-  bool shutdown_;
-
   scoped_refptr<BrowserFileSystemContext> context_;
 
   // Used to look up permissions.
   scoped_refptr<HostContentSettingsMap> host_content_settings_map_;
 
   // Keeps ongoing file system operations.
   typedef IDMap<fileapi::SandboxedFileSystemOperation> OperationsMap;
   OperationsMap operations_;
 
   // This holds the URLRequestContextGetter until Init() can be called from the
   // IO thread, which will extract the URLRequestContext from it.
   scoped_refptr<URLRequestContextGetter> request_context_getter_;
   scoped_refptr<URLRequestContext> request_context_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemDispatcherHost);
 };
 
 #endif  // CHROME_BROWSER_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_HOST_H_