Revert of Componentize TemplateURLService

components/search_engines/template_url_service_observer.h

Index: components/search_engines/template_url_service_observer.h
diff --git a/components/search_engines/template_url_service_observer.h b/components/search_engines/template_url_service_observer.h
deleted file mode 100644
index acd016f583d77d3f20f36272cdf350ab0ccee61c..0000000000000000000000000000000000000000
--- a/components/search_engines/template_url_service_observer.h
+++ /dev/null
@@ -1,19 +0,0 @@
-// 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_SERVICE_OBSERVER_H_
-#define COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_OBSERVER_H_
-
-// TemplateURLServiceObserver is notified whenever the set of TemplateURLs
-// are modified.
-class TemplateURLServiceObserver {
- public:
-  // Notification that the template url model has changed in some way.
-  virtual void OnTemplateURLServiceChanged() = 0;
-
- protected:
-  virtual ~TemplateURLServiceObserver() {}
-};
-
-#endif  // COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_OBSERVER_H_