Cache SearchEngineType of TemplateURL

components/search_engines/template_url.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_H_
 #define COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_H_
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "components/metrics/proto/omnibox_event.pb.h"
 #include "components/metrics/proto/omnibox_input_type.pb.h"
+#include "components/search_engines/search_engine_type.h"
 #include "components/search_engines/template_url_data.h"
 #include "components/search_engines/template_url_id.h"
 #include "ui/gfx/geometry/size.h"
 #include "url/gurl.h"
 #include "url/third_party/mozilla/url_parse.h"
 
 class SearchTermsData;
 class TemplateURL;
 
 
@@ skipping 607 matching lines @@
   bool HasSameKeywordAs(const TemplateURLData& other,
                         const SearchTermsData& search_terms_data) const;
 
   Type GetType() const;
 
   // Returns the id of the extension that added this search engine. Only call
   // this for TemplateURLs of type NORMAL_CONTROLLED_BY_EXTENSION or
   // OMNIBOX_API_EXTENSION.
   std::string GetExtensionId() const;
 
+  // Returns the type of this search engine, or SEARCH_ENGINE_OTHER if no
+  // engines match.
+  SearchEngineType GetEngineType(
+      const SearchTermsData& search_terms_data) const;
+
   // Use the alternate URLs and the search URL to match the provided |url|
   // and extract |search_terms| from it. Returns false and an empty
   // |search_terms| if no search terms can be matched. The order in which the
   // alternate URLs are listed dictates their priority, the URL at index 0 is
   // treated as the highest priority and the primary search URL is treated as
   // the lowest priority. For example, if a TemplateURL has alternate URL
   // "http://foo/#q={searchTerms}" and search URL "http://foo/?q={searchTerms}",
   // and the URL to be decoded is "http://foo/?q=a#q=b", the alternate URL will
   // match first and the decoded search term will be "b".
   bool ExtractSearchTermsFromURL(const GURL& url,
@@ skipping 85 matching lines @@
   // URL.
   TemplateURLRef* url_ref_;
 
   TemplateURLRef suggestions_url_ref_;
   TemplateURLRef instant_url_ref_;
   TemplateURLRef image_url_ref_;
   TemplateURLRef new_tab_url_ref_;
   TemplateURLRef contextual_search_url_ref_;
   std::unique_ptr<AssociatedExtensionInfo> extension_info_;
 
+  // Caches the computed engine type across successive calls to GetEngineType().
+  mutable SearchEngineType engine_type_;
+
   // TODO(sky): Add date last parsed OSD file.
 
   DISALLOW_COPY_AND_ASSIGN(TemplateURL);
 };
 
 #endif  // COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_H_