Revert 267948 "Merge GeolocationDispatcherHostImpl with Geolocat..."

trunk/src/content/browser/geolocation/geolocation_dispatcher_host.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_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_
 
-#include <map>
-#include <set>
-
-#include "content/browser/geolocation/geolocation_provider_impl.h"
 #include "content/public/browser/browser_message_filter.h"
 
-class GURL;
-
 namespace content {
 
 class GeolocationPermissionContext;
 
 // GeolocationDispatcherHost is a browser filter for Geolocation messages.
 // It's the complement of GeolocationDispatcher (owned by RenderView).
 class GeolocationDispatcherHost : public BrowserMessageFilter {
  public:
-  GeolocationDispatcherHost(
+  static GeolocationDispatcherHost* New(
       int render_process_id,
       GeolocationPermissionContext* geolocation_permission_context);
-  virtual ~GeolocationDispatcherHost();
 
   // Pause or resumes geolocation for the given |render_view_id|. Should
   // be called on the IO thread. Resuming when nothing is paused is a no-op.
   // If a renderer is paused while not currently using geolocation but
   // then goes on to do so before being resumed, then that renderer will
   // not get geolocation updates until it is resumed.
-  void PauseOrResume(int render_view_id, bool should_pause);
+  virtual void PauseOrResume(int render_view_id, bool should_pause) = 0;
 
- private:
-  // GeolocationDispatcherHost
-  virtual bool OnMessageReceived(const IPC::Message& msg,
-                                 bool* msg_was_ok) OVERRIDE;
-
-  // Message handlers:
-  void OnRequestPermission(int render_view_id,
-                           int bridge_id,
-                           const GURL& requesting_frame,
-                           bool user_gesture);
-  void OnCancelPermissionRequest(int render_view_id,
-                                 int bridge_id,
-                                 const GURL& requesting_frame);
-  void OnStartUpdating(int render_view_id,
-                       const GURL& requesting_frame,
-                       bool enable_high_accuracy);
-  void OnStopUpdating(int render_view_id);
-
-  // Updates the |geolocation_provider_| with the currently required update
-  // options.
-  void RefreshGeolocationOptions();
-
-  void OnLocationUpdate(const Geoposition& position);
-
-  int render_process_id_;
-  scoped_refptr<GeolocationPermissionContext> geolocation_permission_context_;
-
-  struct RendererGeolocationOptions {
-    bool high_accuracy;
-    bool is_paused;
-  };
-
-  // Used to keep track of the renderers in this process that are using
-  // geolocation and the options associated with them. The map is iterated
-  // when a location update is available and the fan out to individual bridge
-  // IDs happens renderer side, in order to minimize context switches.
-  // Only used on the IO thread.
-  std::map<int, RendererGeolocationOptions> geolocation_renderers_;
-
-  // Used by Android WebView to support that case that a renderer is in the
-  // 'paused' state but not yet using geolocation. If the renderer does start
-  // using geolocation while paused, we move from this set into
-  // |geolocation_renderers_|. If the renderer doesn't end up wanting to use
-  // geolocation while 'paused' then we remove from this set. A renderer id
-  // can exist only in this set or |geolocation_renderers_|, never both.
-  std::set<int> pending_paused_geolocation_renderers_;
-
-  // Only set whilst we are registered with the geolocation provider.
-  GeolocationProviderImpl* geolocation_provider_;
-
-  GeolocationProviderImpl::LocationUpdateCallback callback_;
+ protected:
+  GeolocationDispatcherHost();
+  virtual ~GeolocationDispatcherHost();
 
   DISALLOW_COPY_AND_ASSIGN(GeolocationDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_DISPATCHER_HOST_H_