No chrome dependencies in TemplateURLService

chrome/browser/search_engines/chrome_template_url_service_client.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_SEARCH_ENGINES_CHROME_TEMPLATE_URL_SERVICE_CLIENT_H_
+#define CHROME_BROWSER_SEARCH_ENGINES_CHROME_TEMPLATE_URL_SERVICE_CLIENT_H_
+
+#include "chrome/browser/search_engines/template_url_service_client.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+
+class HistoryService;
+class Profile;
+
+// ChromeTemplateURLServiceClient provides keyword related history
+// functionality for TemplateURLService.
+class ChromeTemplateURLServiceClient : public TemplateURLServiceClient,
+                                       public content::NotificationObserver {
+ public:
+  explicit ChromeTemplateURLServiceClient(Profile* profile);
+  virtual ~ChromeTemplateURLServiceClient();
+
+  // TemplateURLServiceClient:
+  virtual void SetOwner(TemplateURLService* owner) OVERRIDE;
+  virtual void DeleteAllSearchTermsForKeyword(
+      history::KeywordID keyword_Id) OVERRIDE;
+  virtual void SetKeywordSearchTermsForURL(const GURL& url,
+                                           TemplateURLID id,
+                                           const base::string16& term) OVERRIDE;
+  virtual void AddKeywordGeneratedVisit(const GURL& url) OVERRIDE;
+
+  // content::NotificationObserver:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+ private:
+  Profile* profile_;
+  TemplateURLService* owner_;
+  content::NotificationRegistrar notification_registrar_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeTemplateURLServiceClient);
+};
+
+#endif  // CHROME_BROWSER_SEARCH_ENGINES_CHROME_TEMPLATE_URL_SERVICE_CLIENT_H_