Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_gamepad_thunk.cc

Index: ppapi/thunk/ppb_gamepad_thunk.cc
diff --git a/ppapi/thunk/ppb_gamepad_thunk.cc b/ppapi/thunk/ppb_gamepad_thunk.cc
index e36af34410685782554f0734393e3099b0cb0bd5..8e49e5219973674284a6c764135ab4cb0d883510 100644
--- a/ppapi/thunk/ppb_gamepad_thunk.cc
+++ b/ppapi/thunk/ppb_gamepad_thunk.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// From ppb_gamepad.idl modified Wed Apr 17 11:16:00 2013.
+// From ppb_gamepad.idl modified Fri Nov 15 14:40:57 2013.
 
 #include <string.h>
 
@@ -10,10 +10,8 @@
 #include "ppapi/c/ppb_gamepad.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
 #include "ppapi/thunk/ppb_gamepad_api.h"
-#include "ppapi/thunk/ppb_instance_api.h"
-#include "ppapi/thunk/resource_creation_api.h"
-#include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace thunk {
@@ -36,7 +34,7 @@ const PPB_Gamepad_1_0 g_ppb_gamepad_thunk_1_0 = {
 
 }  // namespace
 
-const PPB_Gamepad_1_0* GetPPB_Gamepad_1_0_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_Gamepad_1_0* GetPPB_Gamepad_1_0_Thunk() {
   return &g_ppb_gamepad_thunk_1_0;
 }