Move Extension into extensions namespace

chrome/browser/search_engines/template_url_service.h

 // Copyright (c) 2012 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_SERVICE_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_H_
 #pragma once
 
 #include <list>
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/profiles/profile_keyed_service.h"
 #include "chrome/browser/search_engines/template_url_id.h"
 #include "chrome/browser/sync/api/sync_change.h"
 #include "chrome/browser/sync/api/syncable_service.h"
 #include "chrome/browser/webdata/web_data_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
-class Extension;
 class GURL;
 class PrefService;
 class Profile;
 class SearchHostToURLsMap;
 class SearchTermsData;
 class SyncData;
 class SyncErrorFactory;
 class TemplateURLServiceObserver;
 
+namespace extensions {
+class Extension;
+}
+
 namespace history {
 struct URLVisitedDetails;
 }
 
 // TemplateURLService is the backend for keywords. It's used by
 // KeywordAutocomplete.
 //
 // TemplateURLService stores a vector of TemplateURLs. The TemplateURLs are
 // persisted to the database maintained by WebDataService. *ALL* mutations
 // to the TemplateURLs must funnel through TemplateURLService. This allows
@@ skipping 120 matching lines @@
   // Removes all auto-generated keywords that were created in the specified
   // range for a specified |origin|. If |origin| is empty, deletes all
   // auto-generated keywords in the range.
   void RemoveAutoGeneratedForOriginBetween(const GURL& origin,
                                            base::Time created_after,
                                            base::Time created_before);
 
   // If the given extension has an omnibox keyword, adds a TemplateURL for that
   // keyword. Only 1 keyword is allowed for a given extension. If the keyword
   // already exists for this extension, does nothing.
-  void RegisterExtensionKeyword(const Extension* extension);
+  void RegisterExtensionKeyword(const extensions::Extension* extension);
 
   // Removes the TemplateURL containing the keyword for the given extension,
   // if any.
-  void UnregisterExtensionKeyword(const Extension* extension);
+  void UnregisterExtensionKeyword(const extensions::Extension* extension);
 
   // Returns the TemplateURL associated with the keyword for this extension.
   // This works by checking the extension ID, not the keyword, so it will work
   // even if the user changed the keyword.
-  TemplateURL* GetTemplateURLForExtension(const Extension* extension);
+  TemplateURL* GetTemplateURLForExtension(
+      const extensions::Extension* extension);
 
   // Returns the set of URLs describing the keywords. The elements are owned
   // by TemplateURLService and should not be deleted.
   TemplateURLVector GetTemplateURLs();
 
   // Increment the usage count of a keyword.
   // Called when a URL is loaded that was generated from a keyword.
   void IncrementUsageCount(TemplateURL* url);
 
   // Resets the title, keyword and search url of the specified TemplateURL.
@@ skipping 428 matching lines @@
   // from Sync. This is to facilitate the fact that changes to the value of
   // prefs::kSyncedDefaultSearchProviderGUID do not always come before the
   // TemplateURL entry it refers to, and to handle the case when we want to use
   // the Synced default when the default search provider becomes unmanaged.
   bool pending_synced_default_search_;
 
   DISALLOW_COPY_AND_ASSIGN(TemplateURLService);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_H_