Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_file_chooser_dev_thunk.cc

Index: ppapi/thunk/ppb_file_chooser_dev_thunk.cc
diff --git a/ppapi/thunk/ppb_file_chooser_dev_thunk.cc b/ppapi/thunk/ppb_file_chooser_dev_thunk.cc
index fe1aa0dbf77e6b583fc4503e8b0709076d15300d..5d8fae07784f35493010a1ba99e0fbe9ca8b2aa9 100644
--- a/ppapi/thunk/ppb_file_chooser_dev_thunk.cc
+++ b/ppapi/thunk/ppb_file_chooser_dev_thunk.cc
@@ -2,17 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// From dev/ppb_file_chooser_dev.idl modified Mon Apr  1 08:24:03 2013.
+// From dev/ppb_file_chooser_dev.idl modified Tue Aug 20 08:13:36 2013.
 
 #include "ppapi/c/dev/ppb_file_chooser_dev.h"
 #include "ppapi/c/pp_completion_callback.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_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 {
@@ -76,11 +74,13 @@ const PPB_FileChooser_Dev_0_6 g_ppb_filechooser_dev_thunk_0_6 = {
 
 }  // namespace
 
-const PPB_FileChooser_Dev_0_5* GetPPB_FileChooser_Dev_0_5_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_FileChooser_Dev_0_5*
+    GetPPB_FileChooser_Dev_0_5_Thunk() {
   return &g_ppb_filechooser_dev_thunk_0_5;
 }
 
-const PPB_FileChooser_Dev_0_6* GetPPB_FileChooser_Dev_0_6_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_FileChooser_Dev_0_6*
+    GetPPB_FileChooser_Dev_0_6_Thunk() {
   return &g_ppb_filechooser_dev_thunk_0_6;
 }