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

ppapi/proxy/ppb_graphics_2d_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_graphics_2d_proxy.h"
 
 #include <string.h>  // For memset.
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 148 matching lines @@
 }
 
 const void* PPB_Graphics2D_Proxy::GetSourceInterface() const {
   return &ppb_graphics_2d;
 }
 
 InterfaceID PPB_Graphics2D_Proxy::GetInterfaceId() const {
   return INTERFACE_ID_PPB_GRAPHICS_2D;
 }
 
-void PPB_Graphics2D_Proxy::OnMessageReceived(const IPC::Message& msg) {
+bool PPB_Graphics2D_Proxy::OnMessageReceived(const IPC::Message& msg) {
+  bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PPB_Graphics2D_Proxy, msg)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_Create,
                         OnMsgCreate)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_PaintImageData,
                         OnMsgPaintImageData)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_Scroll,
                         OnMsgScroll)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_ReplaceContents,
                         OnMsgReplaceContents)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_Flush,
                         OnMsgFlush)
 
     IPC_MESSAGE_HANDLER(PpapiMsg_PPBGraphics2D_FlushACK,
                         OnMsgFlushACK)
+    IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   // FIXME(brettw) handle bad messages!
+  return handled;
 }
 
 void PPB_Graphics2D_Proxy::OnMsgCreate(PP_Module module,
                                        const PP_Size& size,
                                        PP_Bool is_always_opaque,
                                        PP_Resource* result) {
   *result = ppb_graphics_2d_target()->Create(
       module, &size, is_always_opaque);
 }
 
@@ skipping 51 matching lines @@
 }
 
 void PPB_Graphics2D_Proxy::SendFlushACKToPlugin(int32_t result,
                                                 PP_Resource graphics_2d) {
   dispatcher()->Send(new PpapiMsg_PPBGraphics2D_FlushACK(
       INTERFACE_ID_PPB_GRAPHICS_2D, graphics_2d, result));
 }
 
 }  // namespace proxy
 }  // namespace pp