Remove some platform specific stuff from views.

ui/app_list/search/history_types.h

Index: ui/app_list/search/history_types.h
diff --git a/ui/app_list/search/history_types.h b/ui/app_list/search/history_types.h
deleted file mode 100644
index dae8e1932da8d54d29d5febff2b44ac63cea1f39..0000000000000000000000000000000000000000
--- a/ui/app_list/search/history_types.h
+++ /dev/null
@@ -1,27 +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_SEARCH_HISTORY_TYPES_H_
-#define UI_APP_LIST_SEARCH_HISTORY_TYPES_H_
-
-#include <map>
-#include <string>
-
-namespace app_list {
-
-// An enum that indicates how a search result id matches a query in history.
-enum KnownResultType {
-  UNKNOWN_RESULT = 0,
-  PERFECT_PRIMARY,    // Exactly the same query and in primary association
-  PERFECT_SECONDARY,  // Exactly the same query and in secondary association
-  PREFIX_PRIMARY,     // Query is a prefix and in primary association
-  PREFIX_SECONDARY,   // Query is a prefix and in secondary association
-};
-
-// KnownResults maps a result id to a KnownResultType.
-typedef std::map<std::string, KnownResultType> KnownResults;
-
-}  // namespace app_list
-
-#endif  // UI_APP_LIST_SEARCH_HISTORY_TYPES_H_