Gamepad API: add support for connection events

content/common/gamepad_messages.h

Index: content/common/gamepad_messages.h
diff --git a/content/common/gamepad_messages.h b/content/common/gamepad_messages.h
index 0532b9c562d0ef21d72b2a1b7162baab48cde730..63d65567dde58466fbc377ea3c9d876e6d96a65b 100644
--- a/content/common/gamepad_messages.h
+++ b/content/common/gamepad_messages.h
@@ -1,16 +1,26 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2014 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.
 
 // Multiply-included message file, no include guard.
 
 #include "base/memory/shared_memory.h"
+#include "content/common/gamepad_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_param_traits.h"
 #include "ipc/ipc_platform_file.h"
+#include "third_party/WebKit/public/platform/WebGamepad.h"
 
 #define IPC_MESSAGE_START GamepadMsgStart
 
+IPC_MESSAGE_CONTROL2(GamepadMsg_GamepadConnected,
+                     int /* index */,
+                     blink::WebGamepad)
+
+IPC_MESSAGE_CONTROL2(GamepadMsg_GamepadDisconnected,
+                     int /* index */,
+                     blink::WebGamepad)
+
 // Messages sent from the renderer to the browser.
 
 // Asks the browser process to start polling, and return a shared memory