Get FileSelect dialog work on athena

athena/content/app_activity.h

 // Copyright 2014 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 ATHENA_CONTENT_APP_ACTIVITY_H_
 #define ATHENA_CONTENT_APP_ACTIVITY_H_
 
 #include "athena/activity/public/activity.h"
 #include "athena/activity/public/activity_view_model.h"
 #include "athena/content/app_activity_proxy.h"
@@ skipping 25 matching lines @@
   // Gets the content proxy so that the AppProxy can take it over.
   scoped_ptr<ContentProxy> GetContentProxy(aura::Window* window);
 
   // Activity:
   virtual athena::ActivityViewModel* GetActivityViewModel() OVERRIDE;
   virtual void SetCurrentState(Activity::ActivityState state) OVERRIDE;
   virtual ActivityState GetCurrentState() OVERRIDE;
   virtual bool IsVisible() OVERRIDE;
   virtual ActivityMediaState GetMediaState() OVERRIDE;
   virtual aura::Window* GetWindow() OVERRIDE;
+  virtual content::WebContents* GetWebContents() OVERRIDE;
 
   // ActivityViewModel:
   virtual void Init() OVERRIDE;
   virtual SkColor GetRepresentativeColor() const OVERRIDE;
   virtual base::string16 GetTitle() const OVERRIDE;
   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
   virtual bool UsesFrame() const OVERRIDE;
   virtual views::Widget* CreateWidget() OVERRIDE;
   virtual views::View* GetContentsView() OVERRIDE;
   virtual gfx::ImageSkia GetOverviewModeImage() OVERRIDE;
@@ skipping 36 matching lines @@
 
   // The content proxy.
   scoped_ptr<ContentProxy> content_proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(AppActivity);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_CONTENT_APP_ACTIVITY_H_