Move app_shell specific impl from athena_lib to athena_shell_lib

athena/content/public/content_activity_factory.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_CONTENT_ACTIVITY_FACTORY_H_
-#define ATHENA_CONTENT_PUBLIC_CONTENT_ACTIVITY_FACTORY_H_
-
-#include "athena/activity/public/activity_factory.h"
-#include "athena/athena_export.h"
-#include "base/macros.h"
-
-namespace athena {
-
-class ATHENA_EXPORT ContentActivityFactory : public ActivityFactory {
- public:
-  ContentActivityFactory();
-  virtual ~ContentActivityFactory();
-
-  // Overridden from ActivityFactory:
-  virtual Activity* CreateWebActivity(content::BrowserContext* browser_context,
-                                      const GURL& url) OVERRIDE;
-  virtual Activity* CreateAppActivity(
-      extensions::ShellAppWindow* app_window) OVERRIDE;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ContentActivityFactory);
-};
-
-}  // namespace athena
-
-#endif  // ATHENA_CONTENT_PUBLIC_CONTENT_ACTIVITY_FACTORY_H_