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

chrome/browser/media_galleries/media_galleries_scan_result_dialog_controller.cc

 // 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.
 
 #include "chrome/browser/media_galleries/media_galleries_scan_result_dialog_controller.h"
 
 #include <algorithm>
 #include <list>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/media_galleries/media_file_system_registry.h"
 #include "chrome/browser/media_galleries/media_galleries_histograms.h"
+#include "chrome/browser/media_galleries/media_gallery_context_menu.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/storage_monitor/storage_info.h"
 #include "chrome/browser/storage_monitor/storage_monitor.h"
 #include "chrome/common/extensions/permissions/media_galleries_permission.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/permissions/permissions_data.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 31 matching lines @@
 #endif  // USE_AURA
   preferences_ =
       g_browser_process->media_file_system_registry()->GetPreferences(
           GetProfile());
   // Passing unretained pointer is safe, since the dialog controller
   // is self-deleting, and so won't be deleted until it can be shown
   // and then closed.
   preferences_->EnsureInitialized(base::Bind(
         &MediaGalleriesScanResultDialogController::OnPreferencesInitialized,
         base::Unretained(this)));
+
+  // Unretained is safe because |this| owns |context_menu_|.
+  context_menu_.reset(new MediaGalleryContextMenu(base::Bind(
+          &MediaGalleriesScanResultDialogController::DidForgetGallery,
+          base::Unretained(this))));
 }
 
 MediaGalleriesScanResultDialogController::
 MediaGalleriesScanResultDialogController(
     const extensions::Extension& extension,
     MediaGalleriesPreferences* preferences,
     const CreateDialogCallback& create_dialog_callback,
     const base::Closure& on_finish)
     : web_contents_(NULL),
       extension_(&extension),
@@ skipping 102 matching lines @@
   }
 
   on_finish_.Run();
   delete this;
 }
 
 content::WebContents* MediaGalleriesScanResultDialogController::web_contents() {
   return web_contents_;
 }
 
+ui::MenuModel* MediaGalleriesScanResultDialogController::GetContextMenu(
+    MediaGalleryPrefId id) {
+  context_menu_->set_pref_id(id);
+  return context_menu_.get();
+}
+
 void MediaGalleriesScanResultDialogController::OnPreferencesInitialized() {
   preferences_->AddGalleryChangeObserver(this);
   StorageMonitor::GetInstance()->AddObserver(this);
   UpdateFromPreferences();
 
   // TODO(vandebo): Remove the conditional after the cocoa version is done.
   if (!create_dialog_callback_.is_null())
     dialog_.reset(create_dialog_callback_.Run(this));
 }
 
@@ skipping 110 matching lines @@
 
 void MediaGalleriesScanResultDialogController::OnGalleryInfoUpdated(
     MediaGalleriesPreferences* /* prefs */,
     MediaGalleryPrefId pref_id) {
   OnPreferenceUpdate(extension_->id(), pref_id);
 }
 
 // MediaGalleriesScanResultDialog ---------------------------------------------
 
 MediaGalleriesScanResultDialog::~MediaGalleriesScanResultDialog() {}