Add support for unregistering web intents default by service_url.

chrome/browser/intents/web_intents_registry.cc

 // 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.
 
 #include "chrome/browser/intents/web_intents_registry.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 433 matching lines @@
   DCHECK(wds_.get());
   wds_->AddDefaultWebIntentService(default_service);
 }
 
 void WebIntentsRegistry::UnregisterDefaultIntentService(
     const DefaultWebIntentService& default_service) {
   DCHECK(wds_.get());
   wds_->RemoveDefaultWebIntentService(default_service);
 }
 
+void WebIntentsRegistry::UnregisterServiceDefaults(const GURL& service_url) {
+  DCHECK(wds_.get());
+  wds_->RemoveWebIntentServiceDefaults(service_url);
+}
+
 void WebIntentsRegistry::GetDefaultIntentService(
     const string16& action,
     const string16& type,
     const GURL& invoking_url,
     const DefaultQueryCallback& callback) {
   DCHECK(!callback.is_null());
 
   const QueryParams params(action, type);
 
   ResultsHandler handler = base::Bind(
@@ skipping 70 matching lines @@
 void WebIntentsRegistry::ReleaseQuery(QueryAdapter* query) {
   QueryVector::iterator it = std::find(
       pending_queries_.begin(), pending_queries_.end(), query);
   if (it != pending_queries_.end()) {
     pending_queries_.erase(it);
     delete query;
   } else {
     NOTREACHED();
   }
 }