Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_widget_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_widget_dev.idl modified Tue Apr 16 11:25:44 2013.
+// From dev/ppb_widget_dev.idl modified Tue Aug 20 08:13:36 2013.
 
 #include "ppapi/c/dev/ppb_widget_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_instance_api.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
 #include "ppapi/thunk/ppb_widget_api.h"
-#include "ppapi/thunk/resource_creation_api.h"
-#include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 PP_Bool IsWidget(PP_Resource resource) {
   VLOG(4) << "PPB_Widget_Dev::IsWidget()";
   EnterResource<PPB_Widget_API> enter(resource, false);
   return PP_FromBool(enter.succeeded());
@@ skipping 53 matching lines @@
   &IsWidget,
   &Paint,
   &HandleEvent,
   &GetLocation,
   &SetLocation,
   &SetScale
 };
 
 }  // namespace
 
-const PPB_Widget_Dev_0_3* GetPPB_Widget_Dev_0_3_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_Widget_Dev_0_3* GetPPB_Widget_Dev_0_3_Thunk() {
   return &g_ppb_widget_dev_thunk_0_3;
 }
 
-const PPB_Widget_Dev_0_4* GetPPB_Widget_Dev_0_4_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_Widget_Dev_0_4* GetPPB_Widget_Dev_0_4_Thunk() {
   return &g_ppb_widget_dev_thunk_0_4;
 }
 
 }  // namespace thunk
 }  // namespace ppapi