Implement the gamepad API in the IPC proxy

webkit/plugins/ppapi/event_conversion.h

Index: webkit/plugins/ppapi/event_conversion.h
diff --git a/webkit/plugins/ppapi/event_conversion.h b/webkit/plugins/ppapi/event_conversion.h
index 1474fee146039c1210745eb33e7e8247f34bb611..f289012672bb81d357676825f71ccecf0fb013ab 100644
--- a/webkit/plugins/ppapi/event_conversion.h
+++ b/webkit/plugins/ppapi/event_conversion.h
@@ -8,7 +8,6 @@
 #include <vector>
 
 #include "base/memory/linked_ptr.h"
-#include "ppapi/c/ppb_gamepad.h"
 #include "ppapi/c/ppb_input_event.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "webkit/plugins/webkit_plugins_export.h"
@@ -50,11 +49,6 @@ std::vector<linked_ptr<WebKit::WebInputEvent> > CreateSimulatedWebInputEvents(
 // type should not be "Undefined" since there's no corresponding PPAPI class.
 PP_InputEvent_Class ClassifyInputEvent(WebKit::WebInputEvent::Type type);
 
-// Translate from WebGamepads to the Gamepad API format
-// PP_GamepadsSampleData.
-void ConvertWebKitGamepadData(WebKit::WebGamepads& webkit_data,
-                              PP_GamepadsSampleData* output_data);
-
 }  // namespace ppapi
 }  // namespace webkit