Cleanup Tool WebUI: Add functionality to the Scan button

chrome/browser/component_updater/sw_reporter_installer_win.cc

 // Copyright (c) 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/component_updater/sw_reporter_installer_win.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 483 matching lines @@
   registry->RegisterInt64Pref(prefs::kSwReporterLastTimeSentReport, 0);
 }
 
 void RegisterProfilePrefsForSwReporter(
     user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterStringPref(prefs::kSwReporterPromptVersion, "");
 
   registry->RegisterStringPref(prefs::kSwReporterPromptSeed, "");
 }
 
+void RegisterUserInitiatedSwReporterScan(base::Closure callback) {
+  // Fetch the latest version of the Cleanup component and run it,
+  // bypassing the usual scheduling logic. Once the scan is done, report
+  // whether the scan was successful and the names of the Unwanted Software that
+  // can be removed by the Cleanup tool.
+  // TODO(proberge): Implement me.
+  callback.Run();
+}
+
 }  // namespace component_updater