Add default query method to WebIntentsRegistry.

chrome/browser/webdata/web_data_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_WEBDATA_WEB_DATA_SERVICE_H__
 #define CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 377 matching lines @@
   // |consumer| must not be NULL.
   Handle GetWebIntentServicesForURL(const string16& service_url,
                                     WebDataServiceConsumer* consumer);
 
   // Get all web intent services registered. |consumer| must not be NULL.
   Handle GetAllWebIntentServices(WebDataServiceConsumer* consumer);
 
   // Adds a default web intent service entry.
   void AddDefaultWebIntentService(const DefaultWebIntentService& service);
 
-  // Adds a default web intent service entry.
+  // Removes a default web intent service entry. Removes entries matching
+  // the |action|, |type|, and |url_pattern| of |service|.
   void RemoveDefaultWebIntentService(const DefaultWebIntentService& service);
 
   // Get a list of all web intent service defaults for the given |action|.
   // |consumer| must not be null.
   Handle GetDefaultWebIntentServicesForAction(const string16& action,
                                               WebDataServiceConsumer* consumer);
 
   // Get a list of all registered web intent service defaults.
   // |consumer| must not be null.
   Handle GetAllDefaultWebIntentServices(WebDataServiceConsumer* consumer);
@@ skipping 370 matching lines @@
   // result can be NULL, if no result is expected or if the database could
   // not be opened. The result object is destroyed after this call.
   virtual void OnWebDataServiceRequestDone(WebDataService::Handle h,
                                            const WDTypedResult* result) = 0;
 
  protected:
   virtual ~WebDataServiceConsumer() {}
 };
 
 #endif  // CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__