Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_network_proxy_thunk.cc

 // Copyright 2013 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 ppb_network_proxy.idl modified Thu Jun 20 22:03:12 2013.
+// From ppb_network_proxy.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_network_proxy.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_network_proxy_api.h"
-#include "ppapi/thunk/resource_creation_api.h"
-#include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 int32_t GetProxyForURL(PP_Instance instance,
                        struct PP_Var url,
                        struct PP_Var* proxy_string,
                        struct PP_CompletionCallback callback) {
   VLOG(4) << "PPB_NetworkProxy::GetProxyForURL()";
   EnterInstanceAPI<PPB_NetworkProxy_API> enter(instance, callback);
   if (enter.failed())
     return enter.retval();
   return enter.SetResult(enter.functions()->GetProxyForURL(instance,
                                                            url,
                                                            proxy_string,
                                                            enter.callback()));
 }
 
 const PPB_NetworkProxy_1_0 g_ppb_networkproxy_thunk_1_0 = {
   &GetProxyForURL
 };
 
 }  // namespace
 
-const PPB_NetworkProxy_1_0* GetPPB_NetworkProxy_1_0_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_NetworkProxy_1_0*
+    GetPPB_NetworkProxy_1_0_Thunk() {
   return &g_ppb_networkproxy_thunk_1_0;
 }
 
 }  // namespace thunk
 }  // namespace ppapi