Add support for unregistering web intents default by service_url.

chrome/browser/webdata/web_intents_table.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_WEBDATA_WEB_INTENTS_TABLE_H_
 #define CHROME_BROWSER_WEBDATA_WEB_INTENTS_TABLE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 87 matching lines @@
   bool GetAllDefaultServices(
       std::vector<DefaultWebIntentService>* default_services);
 
   // Set a default service to be used on given intent invocations.
   bool SetDefaultService(const DefaultWebIntentService& default_service);
 
   // Removes a default |service| from table - must match the action, type,
   // and url_pattern parameters exactly.
   bool RemoveDefaultService(const DefaultWebIntentService& default_service);
 
+  // Removes all default services associated with |service_url|.
+  bool RemoveServiceDefaults(const GURL& service_url);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(WebIntentsTable);
 };
 
 #endif  // CHROME_BROWSER_WEBDATA_WEB_INTENTS_TABLE_H_