Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_udp_socket_thunk.cc

Index: ppapi/thunk/ppb_udp_socket_thunk.cc
diff --git a/ppapi/thunk/ppb_udp_socket_thunk.cc b/ppapi/thunk/ppb_udp_socket_thunk.cc
index 8343d2f8629e86cd384e8d3c8aeb265369bc4a9b..212ff93f6fa730141e09942868c9f1719ccb3b64 100644
--- a/ppapi/thunk/ppb_udp_socket_thunk.cc
+++ b/ppapi/thunk/ppb_udp_socket_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 ppb_udp_socket.idl modified Thu Jun 20 14:03:55 2013.
+// From ppb_udp_socket.idl modified Tue Aug 20 08:13:36 2013.
 
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_udp_socket.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_udp_socket_api.h"
-#include "ppapi/thunk/resource_creation_api.h"
-#include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace thunk {
@@ -115,7 +113,7 @@ const PPB_UDPSocket_1_0 g_ppb_udpsocket_thunk_1_0 = {
 
 }  // namespace
 
-const PPB_UDPSocket_1_0* GetPPB_UDPSocket_1_0_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_UDPSocket_1_0* GetPPB_UDPSocket_1_0_Thunk() {
   return &g_ppb_udpsocket_thunk_1_0;
 }