Convert implicit scoped_refptr constructor calls to explicit ones, part 1

chrome/browser/first_run/first_run.cc

 // Copyright (c) 2010 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/first_run/first_run.h"
 
 #include "build/build_config.h"
 
 // TODO(port): move more code in back from the first_run_win.cc module.
 
@@ skipping 387 matching lines @@
   return true;
 }
 
 // static
 int FirstRun::ImportFromFile(Profile* profile, const CommandLine& cmdline) {
   FilePath file_path = cmdline.GetSwitchValuePath(switches::kImportFromFile);
   if (file_path.empty()) {
     NOTREACHED();
     return false;
   }
-  scoped_refptr<ImporterHost> importer_host = new ImporterHost();
+  scoped_refptr<ImporterHost> importer_host(new ImporterHost());
   FirstRunImportObserver observer;
 
   importer_host->set_headless();
 
   ProfileInfo profile_info;
   profile_info.browser_type = importer::BOOKMARKS_HTML;
   profile_info.source_path = file_path;
 
   StartImportingWithUI(
       NULL,
@@ skipping 234 matching lines @@
   if (!observer->ended()) {
     observer->set_should_quit_message_loop();
     MessageLoop::current()->Run();
   }
 
   // Unfortunately there's no success/fail signal in ImporterHost.
   return true;
 }
 
 #endif  // OS_POSIX