Remove some platform specific stuff from views.

ui/app_list/views/search_box_view_delegate.h

Index: ui/app_list/views/search_box_view_delegate.h
diff --git a/ui/app_list/views/search_box_view_delegate.h b/ui/app_list/views/search_box_view_delegate.h
deleted file mode 100644
index cdbf23878bb7157ad1b73ef6291b2cae29b4e9de..0000000000000000000000000000000000000000
--- a/ui/app_list/views/search_box_view_delegate.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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_VIEWS_SEARCH_BOX_VIEW_DELEGATE_H_
-#define UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_DELEGATE_H_
-
-#include "ui/app_list/app_list_export.h"
-
-namespace app_list {
-
-class SearchBoxView;
-
-class APP_LIST_EXPORT SearchBoxViewDelegate {
- public:
-  // Invoked when query text has changed by the user.
-  virtual void QueryChanged(SearchBoxView* sender) = 0;
-
- protected:
-  virtual ~SearchBoxViewDelegate() {}
-};
-
-}  // namespace app_list
-
-#endif  // UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_DELEGATE_H_