Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_url_loader_thunk.cc

Index: ppapi/thunk/ppb_url_loader_thunk.cc
diff --git a/ppapi/thunk/ppb_url_loader_thunk.cc b/ppapi/thunk/ppb_url_loader_thunk.cc
index 7df78b9177cb549199528dc52a193284c439491a..22594298f5da305c636cca7172b9d0d0cf0993ea 100644
--- a/ppapi/thunk/ppb_url_loader_thunk.cc
+++ b/ppapi/thunk/ppb_url_loader_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_url_loader.idl modified Wed Apr 17 11:16:00 2013.
+// From ppb_url_loader.idl modified Tue Aug 20 08:13:36 2013.
 
 #include <string.h>
 
@@ -11,10 +11,8 @@
 #include "ppapi/c/ppb_url_loader.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_url_loader_api.h"
-#include "ppapi/thunk/resource_creation_api.h"
-#include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace thunk {
@@ -135,7 +133,7 @@ const PPB_URLLoader_1_0 g_ppb_urlloader_thunk_1_0 = {
 
 }  // namespace
 
-const PPB_URLLoader_1_0* GetPPB_URLLoader_1_0_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_URLLoader_1_0* GetPPB_URLLoader_1_0_Thunk() {
   return &g_ppb_urlloader_thunk_1_0;
 }