Cache SearchEngineType of TemplateURL

components/search_engines/template_url_prepopulate_data.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 COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_PREPOPULATE_DATA_H_
 #define COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_PREPOPULATE_DATA_H_
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string16.h"
 #include "components/search_engines/search_engine_type.h"
 
 class GURL;
 class PrefService;
-class SearchTermsData;
-class TemplateURL;
 struct TemplateURLData;
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace TemplateURLPrepopulateData {
 
 struct PrepopulatedEngine;
 
@@ skipping 10 matching lines @@
 // |default_search_provider_index| is set to the index of the default search
 // provider.
 ScopedVector<TemplateURLData> GetPrepopulatedEngines(
     PrefService* prefs,
     size_t* default_search_provider_index);
 
 // Returns a TemplateURLData for the specified prepopulated engine.
 std::unique_ptr<TemplateURLData> MakeTemplateURLDataFromPrepopulatedEngine(
     const PrepopulatedEngine& engine);
 
+// Returns a list of all the engines that we know about.
+// This is a big list; it's recommended to use it for testing purposes only.
+std::vector<const PrepopulatedEngine*> GetAllKnownPrepopulatedEngines();

[Peter Kasting, 2016/06/09 23:00:56]

Nit: I would place this right under GetPrepopulatedEngines() and rework as
follows:

  // Returns all prepopulated engines for all locales.  Used only by tests.
  std::vector<const PrepopulatedEngine*> GetAllPrepopulatedEngines();

[Vitaly Baranov, 2016/06/12 07:29:15]

Done.

+
 // Removes prepopulated engines and their version stored in user prefs.
 void ClearPrepopulatedEnginesInPrefs(PrefService* prefs);
 
 // Returns the default search provider specified by the prepopulate data, which
 // may be NULL.
 // If |prefs| is NULL, any search provider overrides from the preferences are
 // not used.
 std::unique_ptr<TemplateURLData> GetPrepopulatedDefaultSearch(
     PrefService* prefs);
 
-// Returns the type of the provided engine, or SEARCH_ENGINE_OTHER if no engines
-// match.  This checks the TLD+1 for the most part, but will report the type as
-// SEARCH_ENGINE_GOOGLE for any hostname that causes
-// google_util::IsGoogleHostname() to return true.
-//
-// NOTE: Must be called on the UI thread.
-SearchEngineType GetEngineType(const TemplateURL& template_url,
-                               const SearchTermsData& search_terms_data);
-
 // Like the above, but takes a GURL which is expected to represent a search URL.
 // This may be called on any thread.
 SearchEngineType GetEngineType(const GURL& url);
 
 // Returns the identifier for the user current country. Used to update the list
 // of search engines when user switches device region settings. For use on iOS
 // only.
 // TODO(ios): Once user can customize search engines ( http://crbug.com/153047 )
 // this declaration should be removed and the definition in the .cc file be
 // moved back to the anonymous namespace.
 int GetCurrentCountryID();
 
 }  // namespace TemplateURLPrepopulateData
 
 #endif  // COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_PREPOPULATE_DATA_H_