Revert of [Media Router] MediaRouterUI + WebUI handler implementation.

chrome/browser/ui/webui/media_router/media_router_ui.h

Index: chrome/browser/ui/webui/media_router/media_router_ui.h
diff --git a/chrome/browser/ui/webui/media_router/media_router_ui.h b/chrome/browser/ui/webui/media_router/media_router_ui.h
index 1eb1db1ded810403d6a251b35008d796ade91e92..6fcb3040300d9805fec477a81a70434ba8f6a607 100644
--- a/chrome/browser/ui/webui/media_router/media_router_ui.h
+++ b/chrome/browser/ui/webui/media_router/media_router_ui.h
@@ -6,24 +6,15 @@
 #define CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_UI_H_
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/media/router/issue.h"
 #include "chrome/browser/ui/webui/constrained_web_dialog_ui.h"
-#include "chrome/browser/ui/webui/media_router/media_cast_mode.h"
-#include "chrome/browser/ui/webui/media_router/media_sink_with_cast_modes.h"
-#include "chrome/browser/ui/webui/media_router/query_result_manager.h"
 #include "content/public/browser/web_ui_data_source.h"
 
 namespace media_router {
 
-class IssuesObserver;
 class MediaRouterWebUIMessageHandler;
-class MediaRoutesObserver;
 
 // Implements the chrome://media-router user interface.
-class MediaRouterUI : public ConstrainedWebDialogUI,
-                      public QueryResultManager::Observer {
+class MediaRouterUI : public ConstrainedWebDialogUI {
  public:
   // |web_ui| owns this object and is used to initialize the base class.
   explicit MediaRouterUI(content::WebUI* web_ui);
@@ -32,89 +23,10 @@
   // Closes the media router UI.
   void Close();
 
-  // Notifies this instance that the UI has been initialized.
-  void UIInitialized();
-
-  // Requests a route be created from the source determined by the preferred
-  // MediaCastMode, to the sink given by |sink_id|.
-  // The preferred cast mode is determined from the set of currently supported
-  // cast modes in |cast_modes_|.
-  // Returns false if unable to request the route.
-  // |OnRouteResponseReceived()| will be invoked when the route request
-  // completes.
-  bool CreateRoute(const MediaSinkId& sink_id);
-
-  // Requests a route be created from the source mapped to
-  // |cast_mode_override|, to the sink given by |sink_id|.
-  // Returns true if a route request is successfully submitted.
-  bool CreateRouteWithCastModeOverride(const MediaSinkId& sink_id,
-                                       MediaCastMode cast_mode_override);
-
-  // Calls MediaRouter to close the given route.
-  void CloseRoute(const MediaRouteId& route_id);
-
-  // Calls MediaRouter to clear the given issue.
-  void ClearIssue(const Issue::IssueId& issue_id);
-
-  // Returns the header text that should be displayed in the UI when it is
-  // initially loaded. The header text is determined by the preferred cast mode.
-  std::string GetInitialHeaderText() const;
-
-  bool has_pending_route_request() const { return has_pending_route_request_; }
-  const std::vector<MediaSinkWithCastModes>& sinks() const { return sinks_; }
-  const std::vector<MediaRoute>& routes() const { return routes_; }
-  const std::set<MediaCastMode>& cast_modes() const { return cast_modes_; }
-
  private:
-  class UIIssuesObserver;
-  class UIMediaRoutesObserver;
-
-  // QueryResultManager::Observer
-  void OnResultsUpdated(
-      const std::vector<MediaSinkWithCastModes>& sinks) override;
-
-  // Called by |issues_observer_| when the top issue has changed.
-  // If the UI is already initialized, notifies |handler_| to update the UI.
-  // Ignored if the UI is not yet initialized.
-  void SetIssue(const Issue* issue);
-
-  // Called by |routes_observer_| when the set of active routes has changed.
-  void OnRoutesUpdated(const std::vector<MediaRoute>& routes);
-
-  // Callback passed to MediaRouter to receive response to route creation
-  // requests.
-  void OnRouteResponseReceived(scoped_ptr<MediaRoute> route,
-                               const std::string& error);
-
-  bool DoCreateRoute(const MediaSinkId& sink_id, MediaCastMode cast_mode);
-
   // Owned by the |web_ui| passed in the ctor, and guaranteed to be deleted
   // only after it has deleted |this|.
   MediaRouterWebUIMessageHandler* handler_;
-
-  // These are non-null while this instance is registered to receive
-  // updates from them.
-  scoped_ptr<IssuesObserver> issues_observer_;
-  scoped_ptr<MediaRoutesObserver> routes_observer_;
-
-  // Set to true by |handler_| when the UI has been initialized.
-  bool ui_initialized_;
-
-  // Set to |true| if there is a pending route request for this UI.
-  bool has_pending_route_request_;
-
-  std::vector<MediaSinkWithCastModes> sinks_;
-  std::vector<MediaRoute> routes_;
-  CastModeSet cast_modes_;
-
-  scoped_ptr<QueryResultManager> query_result_manager_;
-
-  // Cached pointer to the MediaRouter for this instance's BrowserContext.
-  MediaRouter* router_;
-
-  // NOTE: Weak pointers must be invalidated before all other member variables.
-  // Therefore |weak_factory_| must be placed at the end.
-  base::WeakPtrFactory<MediaRouterUI> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaRouterUI);
 };