Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_file_chooser_trusted_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 trusted/ppb_file_chooser_trusted.idl,
-//   modified Mon Apr  1 08:24:03 2013.
+//   modified Tue Aug 20 08:13:36 2013.
 
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/trusted/ppb_file_chooser_trusted.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
 #include "ppapi/thunk/ppb_file_chooser_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 {
 
 int32_t ShowWithoutUserGesture_0_5(PP_Resource chooser,
                                    PP_Bool save_as,
                                    struct PP_Var suggested_file_name,
                                    struct PP_CompletionCallback callback) {
@@ skipping 26 matching lines @@
 const PPB_FileChooserTrusted_0_5 g_ppb_filechoosertrusted_thunk_0_5 = {
   &ShowWithoutUserGesture_0_5
 };
 
 const PPB_FileChooserTrusted_0_6 g_ppb_filechoosertrusted_thunk_0_6 = {
   &ShowWithoutUserGesture
 };
 
 }  // namespace
 
-const PPB_FileChooserTrusted_0_5* GetPPB_FileChooserTrusted_0_5_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_FileChooserTrusted_0_5*
+    GetPPB_FileChooserTrusted_0_5_Thunk() {
   return &g_ppb_filechoosertrusted_thunk_0_5;
 }
 
-const PPB_FileChooserTrusted_0_6* GetPPB_FileChooserTrusted_0_6_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_FileChooserTrusted_0_6*
+    GetPPB_FileChooserTrusted_0_6_Thunk() {
   return &g_ppb_filechoosertrusted_thunk_0_6;
 }
 
 }  // namespace thunk
 }  // namespace ppapi