Make return type of DispatchResourceReply consistent

ppapi/proxy/dispatch_reply_message.h

 // 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.
 
 // This file provides infrastructure for dispatching host resource reply
 // messages. Normal IPC Reply handlers can't take extra parameters.
 // We want to take a ResourceMessageReplyParams as a parameter.
 
 #ifndef PPAPI_PROXY_DISPATCH_REPLY_MESSAGE_H_
 #define PPAPI_PROXY_DISPATCH_REPLY_MESSAGE_H_
@@ skipping 16 matching lines @@
 }
 
 template <class ObjT, class Method, class A>
 inline void DispatchResourceReply(ObjT* obj, Method method,
                                   const ResourceMessageReplyParams& params,
                                   const Tuple1<A>& arg) {
   return (obj->*method)(params, arg.a);
 }
 
 template<class ObjT, class Method, class A, class B>
-inline int32_t DispatchResourceReply(ObjT* obj, Method method,
-                                     const ResourceMessageReplyParams& params,
-                                     const Tuple2<A, B>& arg) {
+inline void DispatchResourceReply(ObjT* obj, Method method,
+                                  const ResourceMessageReplyParams& params,
+                                  const Tuple2<A, B>& arg) {
   return (obj->*method)(params, arg.a, arg.b);
 }
 
 template<class ObjT, class Method, class A, class B, class C>
 inline void DispatchResourceReply(ObjT* obj, Method method,
                                   const ResourceMessageReplyParams& params,
                                   const Tuple3<A, B, C>& arg) {
   return (obj->*method)(params, arg.a, arg.b, arg.c);
 }
 
@@ skipping 28 matching lines @@
     case msg_class::ID: { \
       TRACK_RUN_IN_IPC_HANDLER(member_func); \
       member_func(params); \
       break; \
     }
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_DISPATCH_REPLY_MESSAGE_H_