Add metrics for omnibox Google searches that has no RLZ token for windows.

chrome/browser/search_engines/template_url.h

 // Copyright (c) 2011 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_SEARCH_ENGINES_TEMPLATE_URL_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 114 matching lines @@
                                 const std::string& term) const;
 
   // Returns true if this TemplateURLRef has a replacement term of
   // {google:baseURL} or {google:baseSuggestURL}.
   bool HasGoogleBaseURLs() const;
 
   // Returns true if both refs are NULL or have the same values.
   static bool SameUrlRefs(const TemplateURLRef* ref1,
                           const TemplateURLRef* ref2);
 
+  // Collects metrics whether searches through Google are sent with RLZ string.
+  void CollectRLZMetrics() const;
+
  private:
   friend class SearchHostToURLsMapTest;
   friend class TemplateURL;
   friend class TemplateURLModelTestUtil;
   friend class TemplateURLTest;
   FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseParameterKnown);
   FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseParameterUnknown);
   FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseURLEmpty);
   FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseURLNoTemplateEnd);
   FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseURLNoKnownParameters);
@@ skipping 365 matching lines @@
   bool created_by_policy_;
   int usage_count_;
   SearchEngineType search_engine_type_;
   int logo_id_;
   int prepopulate_id_;
 
   // TODO(sky): Add date last parsed OSD file.
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_H_