Simplifies the structure of app_list search a bit.

chrome/browser/ui/app_list/search/search_util.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_APP_LIST_SEARCH_SEARCH_UTIL_H_
+#define CHROME_BROWSER_UI_APP_LIST_SEARCH_SEARCH_UTIL_H_
+
+namespace app_list {
+
+// The type of the chrome search result. This is used for logging so do not
+// change the order of this enum.
+enum SearchResultType {
+  // A result that forwards an omnibox search result.
+  OMNIBOX_SEARCH_RESULT,
+  // An app result.
+  APP_SEARCH_RESULT,
+  // A search result from the webstore.
+  WEBSTORE_SEARCH_RESULT,
+  // A result that opens a webstore search.
+  SEARCH_WEBSTORE_SEARCH_RESULT,
+  // A result that opens a people search.
+  SEARCH_PEOPLE_SEARCH_RESULT,
+  SEARCH_RESULT_TYPE_BOUNDARY
+};
+
+// Record a UMA histogram.
+void RecordHistogram(SearchResultType type);
+
+}  // namespace app_list
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_SEARCH_UTIL_H_