Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_graphics_3d_thunk.cc

Index: ppapi/thunk/ppb_graphics_3d_thunk.cc
diff --git a/ppapi/thunk/ppb_graphics_3d_thunk.cc b/ppapi/thunk/ppb_graphics_3d_thunk.cc
index cc006965e05f736b320ae5ec5f7c5e07a4b7ab47..837e2bcb06a9cae6b7e6c59bfad13e5d0f47b5eb 100644
--- a/ppapi/thunk/ppb_graphics_3d_thunk.cc
+++ b/ppapi/thunk/ppb_graphics_3d_thunk.cc
@@ -2,17 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// From ppb_graphics_3d.idl modified Mon Apr  1 08:24:03 2013.
+// From ppb_graphics_3d.idl modified Thu Oct 31 12:30:06 2013.
 
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_graphics_3d.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
 #include "ppapi/thunk/ppb_graphics_3d_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 {
@@ -101,7 +99,7 @@ const PPB_Graphics3D_1_0 g_ppb_graphics3d_thunk_1_0 = {
 
 }  // namespace
 
-const PPB_Graphics3D_1_0* GetPPB_Graphics3D_1_0_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_Graphics3D_1_0* GetPPB_Graphics3D_1_0_Thunk() {
   return &g_ppb_graphics3d_thunk_1_0;
 }