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

chrome/renderer/geolocation_dispatcher_old.h

 // 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.
 
 #ifndef CHROME_RENDERER_GEOLOCATION_DISPATCHER_OLD_H_
 #define CHROME_RENDERER_GEOLOCATION_DISPATCHER_OLD_H_
 #pragma once
 
 #if !defined(ENABLE_CLIENT_BASED_GEOLOCATION)
 // TODO(jknotten): Remove this class once the new client-based implementation is
 // checked in (see http://crbug.com/59908).
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
-#include "ipc/ipc_message.h"
+#include "ipc/ipc_channel.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebGeolocationService.h"
 
 class GURL;
 class RenderView;
 struct Geoposition;
 
 // GeolocationDispatcherOld is a delegate for Geolocation messages used by
 // WebKit.
 // It's the complement of GeolocationDispatcherHostOld (owned by
 // RenderViewHost).
 
-class GeolocationDispatcherOld : public WebKit::WebGeolocationService {
+class GeolocationDispatcherOld : public WebKit::WebGeolocationService,
+                                 public IPC::Channel::Listener {
  public:
   explicit GeolocationDispatcherOld(RenderView* render_view);
   virtual ~GeolocationDispatcherOld();
 
-  // Called to possibly handle the incoming IPC message. Returns true if
-  // handled. Called in render thread.
+  // IPC::Channel::Listener implementation
   bool OnMessageReceived(const IPC::Message& msg);
 
   // WebKit::WebGeolocationService.
   virtual void requestPermissionForFrame(int bridge_id,
                                          const WebKit::WebURL& url);
   virtual void cancelPermissionRequestForFrame(
       int bridge_id, const WebKit::WebURL& url);
   virtual void startUpdating(
       int bridge_id, const WebKit::WebURL& url, bool enableHighAccuracy);
   virtual void stopUpdating(int bridge_id);
@@ skipping 14 matching lines @@
 
   // The geolocation services attached to this dispatcher.
   IDMap<WebKit::WebGeolocationServiceBridge> bridges_map_;
 
   DISALLOW_COPY_AND_ASSIGN(GeolocationDispatcherOld);
 };
 
 #endif // ENABLE_CLIENT_BASED_GEOLOCATION
 
 #endif  // CHROME_RENDERER_GEOLOCATION_DISPATCHER_OLD_H_