Make IPC::Channel::Listener:OnMessageReceived have a return value indicating ...

ppapi/proxy/ppb_testing_proxy.cc

 // Copyright (c) 2010 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.
 
 #include "ppapi/proxy/ppb_testing_proxy.h"
 
 #include "base/message_loop.h"
 #include "ppapi/c/dev/ppb_testing_dev.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 48 matching lines @@
 }
 
 const void* PPB_Testing_Proxy::GetSourceInterface() const {
   return &testing_interface;
 }
 
 InterfaceID PPB_Testing_Proxy::GetInterfaceId() const {
   return INTERFACE_ID_PPB_TESTING;
 }
 
-void PPB_Testing_Proxy::OnMessageReceived(const IPC::Message& msg) {
+bool PPB_Testing_Proxy::OnMessageReceived(const IPC::Message& msg) {
+  bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PPB_Testing_Proxy, msg)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTesting_ReadImageData,
                         OnMsgReadImageData)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTesting_RunMessageLoop,
                         OnMsgRunMessageLoop)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTesting_QuitMessageLoop,
                         OnMsgQuitMessageLoop)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTesting_GetLiveObjectCount,
                         OnMsgGetLiveObjectCount)
+    IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
+  return handled;
 }
 
 void PPB_Testing_Proxy::OnMsgReadImageData(PP_Resource device_context_2d,
                                            PP_Resource image,
                                            const PP_Point& top_left,
                                            PP_Bool* result) {
   *result = ppb_testing_target()->ReadImageData(
       device_context_2d, image, &top_left);
 }
 
 void PPB_Testing_Proxy::OnMsgRunMessageLoop(bool* dummy) {
   ppb_testing_target()->RunMessageLoop();
   *dummy = false;
 }
 
 void PPB_Testing_Proxy::OnMsgQuitMessageLoop() {
   ppb_testing_target()->QuitMessageLoop();
 }
 
 void PPB_Testing_Proxy::OnMsgGetLiveObjectCount(PP_Module module_id,
                                                 uint32_t* result) {
   *result = ppb_testing_target()->GetLiveObjectCount(module_id);
 }
 
 }  // namespace proxy
 }  // namespace pp