Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_image_data_thunk.cc

Index: ppapi/thunk/ppb_image_data_thunk.cc
diff --git a/ppapi/thunk/ppb_image_data_thunk.cc b/ppapi/thunk/ppb_image_data_thunk.cc
index 51daa59045706f66f437db8938505ec5b56a5fc7..6370185f6fafff0f85720bc68b9e00064dbf1aae 100644
--- a/ppapi/thunk/ppb_image_data_thunk.cc
+++ b/ppapi/thunk/ppb_image_data_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_image_data.idl modified Thu Jun  6 18:05:40 2013.
+// From ppb_image_data.idl modified Tue Aug 20 08:13:36 2013.
 
 #include <string.h>
 
@@ -11,10 +11,8 @@
 #include "ppapi/shared_impl/ppb_image_data_shared.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
 #include "ppapi/thunk/ppb_image_data_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 {
@@ -89,7 +87,7 @@ const PPB_ImageData_1_0 g_ppb_imagedata_thunk_1_0 = {
 
 }  // namespace
 
-const PPB_ImageData_1_0* GetPPB_ImageData_1_0_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_ImageData_1_0* GetPPB_ImageData_1_0_Thunk() {
   return &g_ppb_imagedata_thunk_1_0;
 }