Dispatch geolocation IPCs on the UI thread. Aside from simplifying the code to avoid a lot of threa…

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/gpu_data_manager_observer.h"
 #include "content/public/browser/render_process_host.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_platform_file.h"
 #include "mojo/embedder/scoped_platform_handle.h"
 #include "mojo/public/cpp/bindings/remote_ptr.h"
 #include "mojo/public/interfaces/shell/shell.mojom.h"
 
 struct ViewHostMsg_CompositorSurfaceBuffersSwapped_Params;
 
 namespace base {
 class CommandLine;
 class MessageLoop;
 }
 
 namespace gfx {
 class Size;
 }
 
 namespace content {
 class AudioRendererHost;
 class BrowserDemuxerAndroid;
-class GeolocationDispatcherHost;
 class GpuMessageFilter;
 class MessagePortMessageFilter;
 class MojoApplicationHost;
 class PeerConnectionTrackerHost;
 class RendererMainThread;
 class RenderProcessHostMojoImpl;
 class RenderWidgetHelper;
 class RenderWidgetHost;
 class RenderWidgetHostImpl;
 class RenderWidgetHostViewFrameSubscriber;
@@ skipping 105 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 make_scoped_refptr(geolocation_dispatcher_host_);
-  }
-
 #if defined(ENABLE_WEBRTC)
   // Fires the webrtc log message callback with |message|, if callback is set.
   void WebRtcLogMessage(const std::string& message);
 #endif
 
   scoped_refptr<ScreenOrientationDispatcherHost>
       screen_orientation_dispatcher_host() const;
 
   // Register/unregister the host identified by the host id in the global host
   // list.
@@ skipping 221 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.
-  GeolocationDispatcherHost* geolocation_dispatcher_host_;
-
 #if defined(ENABLE_WEBRTC)
   base::Callback<void(const std::string&)> webrtc_log_message_callback_;
 #endif
 
   // Message filter and dispatcher for screen orientation.
   ScreenOrientationDispatcherHost* screen_orientation_dispatcher_host_;
 
   int worker_ref_count_;
 
   // Records the time when the process starts surviving for workers for UMA.
   base::TimeTicks survive_for_worker_start_time_;
 
   base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_