Add a constructor to DefaultWebIntentServices that takes only the "interesting" args.

chrome/browser/intents/default_web_intent_service.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/default_web_intent_service.h"
 
 DefaultWebIntentService::DefaultWebIntentService()
   : url_pattern(URLPattern::SCHEME_ALL, URLPattern::kAllUrlsPattern),
     user_date(-1),
     suppression(0) {}
 
+DefaultWebIntentService::DefaultWebIntentService(
+    const string16& srv_action,
+    const string16& srv_type,
+    const std::string& srv_service_url)
+    : action(srv_action), type(srv_type),
+      url_pattern(URLPattern::SCHEME_ALL, URLPattern::kAllUrlsPattern),
+      user_date(-1), suppression(0), service_url(srv_service_url) {}
+
 DefaultWebIntentService::~DefaultWebIntentService() {}
 
 bool DefaultWebIntentService::operator==(
     const DefaultWebIntentService& other) const {
   return action == other.action &&
          type == other.type &&
          url_pattern == other.url_pattern &&
          user_date == other.user_date &&
          suppression == other.suppression &&
          service_url == other.service_url;
 }