athena: Handle WebContents created for new windows and create activities for these.

athena/content/web_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_PUBLIC_WEB_ACTIVITY_H_
 #define ATHENA_CONTENT_PUBLIC_WEB_ACTIVITY_H_
 
 #include "athena/activity/public/activity.h"
 #include "athena/activity/public/activity_view_model.h"
 #include "content/public/browser/web_contents_observer.h"
@@ skipping 11 matching lines @@
 
 namespace athena {
 
 class AthenaWebView;
 
 class WebActivity : public Activity,
                     public ActivityViewModel,
                     public content::WebContentsObserver {
  public:
   WebActivity(content::BrowserContext* context, const GURL& gurl);
+  WebActivity(AthenaWebView* web_view);
   virtual ~WebActivity();
 
  protected:
   // Activity:
   virtual athena::ActivityViewModel* GetActivityViewModel() OVERRIDE;
   virtual void SetCurrentState(ActivityState state) OVERRIDE;
   virtual ActivityState GetCurrentState() OVERRIDE;
   virtual bool IsVisible() OVERRIDE;
   virtual ActivityMediaState GetMediaState() OVERRIDE;
 
@@ skipping 22 matching lines @@
 
   // The image which will be used in overview mode.
   gfx::ImageSkia overview_mode_image_;
 
   DISALLOW_COPY_AND_ASSIGN(WebActivity);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_CONTENT_WEB_ACTIVITY_H_