Add help button to app launcher

ui/app_list/test/app_list_test_view_delegate.h

 // Copyright 2013 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 UI_APP_LIST_TEST_APP_LIST_TEST_VIEW_DELEGATE_H
 #define UI_APP_LIST_TEST_APP_LIST_TEST_VIEW_DELEGATE_H
 
 #include "base/compiler_specific.h"
 #include "ui/app_list/app_list_view_delegate.h"
 
@@ skipping 22 matching lines @@
   virtual void InvokeSearchResultAction(const SearchResult& result,
                                         int action_index,
                                         int event_flags) OVERRIDE {}
   virtual void Dismiss() OVERRIDE;
   virtual void ViewClosing() OVERRIDE {}
   virtual void ViewActivationChanged(bool active) OVERRIDE {}
   virtual gfx::ImageSkia GetWindowIcon() OVERRIDE;
   virtual string16 GetCurrentUserName() OVERRIDE;
   virtual string16 GetCurrentUserEmail() OVERRIDE;
   virtual void OpenSettings() OVERRIDE {}
+  virtual void OpenHelp() OVERRIDE {}
   virtual void OpenFeedback() OVERRIDE {}
 
 private:
   int activate_count_;
   int dismiss_count_;
   AppListItemModel* last_activated_;
 };
 
 }  // namespace test
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_TEST_APP_LIST_TEST_VIEW_DELEGATE_H