Add NaCl proxy for pepper gamepad

ppapi/native_client/src/shared/ppapi_proxy/browser_globals.h

Index: ppapi/native_client/src/shared/ppapi_proxy/browser_globals.h
diff --git a/ppapi/native_client/src/shared/ppapi_proxy/browser_globals.h b/ppapi/native_client/src/shared/ppapi_proxy/browser_globals.h
index 12d09aa99f6ca2ef1f105b5387a56f1c23f37802..c54cc9cf377fe47b16eb4303a1dec6b2ff9a4cf7 100644
--- a/ppapi/native_client/src/shared/ppapi_proxy/browser_globals.h
+++ b/ppapi/native_client/src/shared/ppapi_proxy/browser_globals.h
@@ -8,6 +8,7 @@
 #include "ppapi/c/dev/ppb_cursor_control_dev.h"
 #include "ppapi/c/dev/ppb_find_dev.h"
 #include "ppapi/c/dev/ppb_font_dev.h"
+#include "ppapi/c/dev/ppb_gamepad_dev.h"
 #include "ppapi/c/dev/ppb_memory_dev.h"
 #include "ppapi/c/dev/ppb_scrollbar_dev.h"
 #include "ppapi/c/dev/ppb_testing_dev.h"
@@ -104,6 +105,7 @@ const PPB_FileSystem* PPBFileSystemInterface();
 const PPB_Find_Dev* PPBFindInterface();
 const PPB_Font_Dev* PPBFontInterface();
 const PPB_Fullscreen* PPBFullscreenInterface();
+const PPB_Gamepad_Dev* PPBGamepadInterface();
 const PPB_Graphics2D* PPBGraphics2DInterface();
 const PPB_Graphics3D* PPBGraphics3DInterface();
 const PPB_Graphics3DTrusted* PPBGraphics3DTrustedInterface();