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

chrome/browser/device_orientation/message_filter.h

Index: chrome/browser/device_orientation/message_filter.h
===================================================================
--- chrome/browser/device_orientation/message_filter.h	(revision 68877)
+++ chrome/browser/device_orientation/message_filter.h	(working copy)
@@ -2,28 +2,28 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_DEVICE_ORIENTATION_DISPATCHER_HOST_H_
-#define CHROME_BROWSER_DEVICE_ORIENTATION_DISPATCHER_HOST_H_
+#ifndef CHROME_BROWSER_DEVICE_ORIENTATION_MESSAGE_FILTER_H_
+#define CHROME_BROWSER_DEVICE_ORIENTATION_MESSAGE_FILTER_H_
 
 #include <map>
 
-#include "base/ref_counted.h"
+#include "chrome/browser/browser_message_filter.h"
 #include "chrome/browser/device_orientation/provider.h"
 
-namespace IPC { class Message; }
-
 namespace device_orientation {
 
 class Orientation;
 
-class DispatcherHost : public base::RefCounted<DispatcherHost> {
+class MessageFilter : public BrowserMessageFilter {
  public:
-  explicit DispatcherHost(int process_id);
-  bool OnMessageReceived(const IPC::Message& msg, bool* msg_was_ok);
+  MessageFilter();
 
+  // BrowserMessageFilter implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message,
+                                 bool* message_was_ok);
+
  private:
-  virtual ~DispatcherHost();
-  friend class base::RefCounted<DispatcherHost>;
+  virtual ~MessageFilter();
 
   void OnStartUpdating(int render_view_id);
   void OnStopUpdating(int render_view_id);
@@ -31,16 +31,14 @@
   // Helper class that observes a Provider and forwards updates to a RenderView.
   class ObserverDelegate;
 
-  int process_id_;
-
   // map from render_view_id to ObserverDelegate.
   std::map<int, scoped_refptr<ObserverDelegate> > observers_map_;
 
   scoped_refptr<Provider> provider_;
 
-  DISALLOW_COPY_AND_ASSIGN(DispatcherHost);
+  DISALLOW_COPY_AND_ASSIGN(MessageFilter);
 };
 
 }  // namespace device_orientation
 
-#endif  // CHROME_BROWSER_DEVICE_ORIENTATION_DISPATCHER_HOST_H_
+#endif  // CHROME_BROWSER_DEVICE_ORIENTATION_MESSAGE_FILTER_H_