Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_graphics_2d_dev_thunk.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// From dev/ppb_graphics_2d_dev.idl modified Fri Nov  8 13:58:50 2013.
+// From dev/ppb_graphics_2d_dev.idl modified Mon Nov 25 11:02:23 2013.
 
 #include "ppapi/c/dev/ppb_graphics_2d_dev.h"
 #include "ppapi/c/pp_errors.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_2d_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 {
 
 namespace {
 
 PP_Bool SetScale(PP_Resource resource, float scale) {
   VLOG(4) << "PPB_Graphics2D_Dev::SetScale()";
   EnterResource<PPB_Graphics2D_API> enter(resource, true);
   if (enter.failed())
@@ skipping 34 matching lines @@
 
 const PPB_Graphics2D_Dev_0_2 g_ppb_graphics2d_dev_thunk_0_2 = {
   &SetScale,
   &GetScale,
   &SetOffset,
   &SetResizeMode
 };
 
 }  // namespace
 
-const PPB_Graphics2D_Dev_0_1* GetPPB_Graphics2D_Dev_0_1_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_Graphics2D_Dev_0_1*
+    GetPPB_Graphics2D_Dev_0_1_Thunk() {
   return &g_ppb_graphics2d_dev_thunk_0_1;
 }
 
-const PPB_Graphics2D_Dev_0_2* GetPPB_Graphics2D_Dev_0_2_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_Graphics2D_Dev_0_2*
+    GetPPB_Graphics2D_Dev_0_2_Thunk() {
   return &g_ppb_graphics2d_dev_thunk_0_2;
 }
 
 }  // namespace thunk
 }  // namespace ppapi