Implement the gamepad API in the IPC proxy

content/common/gamepad_user_gesture.h

Index: content/common/gamepad_user_gesture.h
diff --git a/content/common/gamepad_user_gesture.h b/content/common/gamepad_user_gesture.h
new file mode 100644
index 0000000000000000000000000000000000000000..d17c69cf5b62af7452cc47ed76dcde1d655d5cc4
--- /dev/null
+++ b/content/common/gamepad_user_gesture.h
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 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_COMMON_GAMEPAD_USER_GESTURE_H_
+#define CONTENT_COMMON_GAMEPAD_USER_GESTURE_H_
+
+namespace WebKit {
+class WebGamepads;
+}
+
+namespace content {
+
+// Returns true if any of the gamepads have a button pressed that would be
+// considerd a user gesture for interaction.
+bool GamepadsHaveUserGesture(const WebKit::WebGamepads& gamepads);
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GAMEPAD_USER_GESTURE_H_