Add a mechanism to pause and resume geolocation requests.

content/browser/renderer_host/render_process_host_impl.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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <map>
 #include <queue>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/process/process.h"
 #include "base/timer/timer.h"
 #include "content/browser/child_process_launcher.h"
+#include "content/browser/geolocation/geolocation_dispatcher_host.h"
 #include "content/browser/power_monitor_message_broadcaster.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/global_request_id.h"
 #include "content/public/browser/gpu_data_manager_observer.h"
 #include "content/public/browser/render_process_host.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ui/surface/transport_dib.h"
 
 class CommandLine;
 struct ViewHostMsg_CompositorSurfaceBuffersSwapped_Params;
 
 namespace base {
 class MessageLoop;
 }
 
 namespace gfx {
 class Size;
 }
 
 namespace content {
 class AudioRendererHost;
 class BrowserDemuxerAndroid;
+class GeolocationDispatcherHost;
 class GpuMessageFilter;
 class MessagePortMessageFilter;
 class PeerConnectionTrackerHost;
 class RendererMainThread;
 class RenderWidgetHelper;
 class RenderWidgetHost;
 class RenderWidgetHostImpl;
 class RenderWidgetHostViewFrameSubscriber;
 class StoragePartition;
 class StoragePartitionImpl;
@@ skipping 97 matching lines @@
   // any RenderViewHosts that are swapped out.
   int GetActiveViewCount();
 
   // Start and end frame subscription for a specific renderer.
   // This API only supports subscription to accelerated composited frames.
   void BeginFrameSubscription(
       int route_id,
       scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber);
   void EndFrameSubscription(int route_id);
 
+  scoped_refptr<GeolocationDispatcherHost>
+      geolocation_dispatcher_host() const {
+    return geolocation_dispatcher_host_;
+  }
+
   // Register/unregister the host identified by the host id in the global host
   // list.
   static void RegisterHost(int host_id, RenderProcessHost* host);
   static void UnregisterHost(int host_id);
 
   // Returns true if |host| is suitable for launching a new view with |site_url|
   // in the given |browser_context|.
   static bool IsSuitableHost(RenderProcessHost* host,
                              BrowserContext* browser_context,
                              const GURL& site_url);
@@ skipping 188 matching lines @@
 
   // Forwards power state messages to the renderer process.
   PowerMonitorMessageBroadcaster power_monitor_broadcaster_;
 
   scoped_refptr<AudioRendererHost> audio_renderer_host_;
 
 #if defined(OS_ANDROID)
   scoped_refptr<BrowserDemuxerAndroid> browser_demuxer_android_;
 #endif
 
+  // Message filter for geolocation messages.
+  scoped_refptr<GeolocationDispatcherHost> geolocation_dispatcher_host_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_