Abstract media galleries context menu code and use it in scan result dialog.

chrome/browser/media_galleries/media_galleries_scan_result_dialog_controller.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 CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_GALLERIES_SCAN_RESULT_DIALOG_CONTROLLER_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_GALLERIES_SCAN_RESULT_DIALOG_CONTROLLER_H_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
 #include "chrome/browser/storage_monitor/removable_storage_observer.h"
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 class Extension;
 }
 
+namespace ui {
+class MenuModel;
+}
+
 class MediaGalleriesScanResultDialogController;
+class MediaGalleryContextMenu;
 class Profile;
 
 // The view.
 class MediaGalleriesScanResultDialog {
  public:
   virtual ~MediaGalleriesScanResultDialog();
 
   // Tell the dialog to update its display list of scan results.
   virtual void UpdateResults() = 0;
 
@@ skipping 43 matching lines @@
   virtual void DidClickOpenFolderViewer(MediaGalleryPrefId pref_id) const;
 
   // The forget command in the context menu was selected.
   virtual void DidForgetGallery(MediaGalleryPrefId pref_id);
 
   // The dialog is being deleted.
   virtual void DialogFinished(bool accepted);
 
   virtual content::WebContents* web_contents();
 
+  ui::MenuModel* GetContextMenu(MediaGalleryPrefId id);
+
  private:
   friend class MediaGalleriesScanResultDialogControllerTest;
 
   typedef std::map<MediaGalleryPrefId, ScanResult> ScanResults;
   typedef base::Callback<MediaGalleriesScanResultDialog* (
       MediaGalleriesScanResultDialogController*)> CreateDialogCallback;
 
   // Used for unit tests.
   MediaGalleriesScanResultDialogController(
       const extensions::Extension& extension,
@@ skipping 59 matching lines @@
   // The model that tracks galleries and extensions' permissions.
   // This is the authoritative source for gallery information.
   MediaGalleriesPreferences* preferences_;
 
   // Creates the dialog. Only changed for unit tests.
   CreateDialogCallback create_dialog_callback_;
 
   // The view that's showing.
   scoped_ptr<MediaGalleriesScanResultDialog> dialog_;
 
+  scoped_ptr<MediaGalleryContextMenu> context_menu_;
+
   DISALLOW_COPY_AND_ASSIGN(MediaGalleriesScanResultDialogController);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_GALLERIES_SCAN_RESULT_DIALOG_CONTROLLER_H_