Add support for unregistering web intents default by service_url.

chrome/browser/webdata/web_intents_table.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/webdata/web_intents_table.h"
 #include <string>
 
 #include "base/i18n/case_conversion.h"
 #include "base/logging.h"
 #include "base/string_util.h"
@@ skipping 305 matching lines @@
     const DefaultWebIntentService& default_service) {
   sql::Statement s(db_->GetUniqueStatement(
       "DELETE FROM web_intents_defaults "
       "WHERE action = ? AND type = ? AND url_pattern = ?"));
   s.BindString16(0, default_service.action);
   s.BindString16(1, default_service.type);
   s.BindString(2, default_service.url_pattern.GetAsString());
 
   return s.Run();
 }
+
+bool WebIntentsTable::RemoveServiceDefaults(const GURL& service_url) {
+  sql::Statement s(db_->GetUniqueStatement(
+      "DELETE FROM web_intents_defaults WHERE service_url = ?"));
+  s.BindString(0, service_url.spec());
+
+  return s.Run();
+}