Message receiver on browser side that holds/starts the gamepad data provider

content/browser/renderer_host/gamepad_browser_message_filter.h

Index: content/browser/renderer_host/gamepad_browser_message_filter.h
diff --git a/content/browser/renderer_host/gamepad_browser_message_filter.h b/content/browser/renderer_host/gamepad_browser_message_filter.h
new file mode 100644
index 0000000000000000000000000000000000000000..2348bd6e009d2e51271ee19a282504286542c105
--- /dev/null
+++ b/content/browser/renderer_host/gamepad_browser_message_filter.h
@@ -0,0 +1,30 @@
+// Copyright (c) 2011 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_BROWSER_RENDERER_HOST_GAMEPAD_BROWSER_MESSAGE_FILTER_H_
+#define CONTENT_BROWSER_RENDERER_HOST_GAMEPAD_BROWSER_MESSAGE_FILTER_H_
+#pragma once
+
+#include "content/browser/browser_message_filter.h"
+#include "content/browser/gamepad/gamepad_provider.h"
+
+class GamepadBrowserMessageFilter : public BrowserMessageFilter {
+ public:
+  // BrowserMessageFilter implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message,
+                                 bool* message_was_ok);

[Avi (use Gerrit), 2011/11/28 20:55:45]

In the future, please mark overriding functions with OVERRIDE. (I'll fix this
one.)

+  GamepadBrowserMessageFilter();
+
+ private:
+  virtual ~GamepadBrowserMessageFilter();
+
+  void OnGamepadStartPolling(base::SharedMemoryHandle* renderer_handle);
+  void OnGamepadStopPolling();
+
+  scoped_refptr<gamepad::Provider> provider_;
+
+  DISALLOW_COPY_AND_ASSIGN(GamepadBrowserMessageFilter);
+};
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_GAMEPAD_BROWSER_MESSAGE_FILTER_H_