Convert implicit scoped_refptr constructor calls to explicit ones, part 1

chrome/browser/cocoa/first_run_dialog.mm

 // 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.
 
 #import "chrome/browser/cocoa/first_run_dialog.h"
 
 #include "app/l10n_util_mac.h"
 #include "base/mac_util.h"
 #include "base/message_loop.h"
 #include "base/ref_counted.h"
@@ skipping 59 matching lines @@
 
 - (void)dealloc {
   [super dealloc];
 }
 
 - (IBAction)showWindow:(id)sender {
   // The main MessageLoop has not yet run, but has been spun. If we call
   // -[NSApplication runModalForWindow:] we will hang <http://crbug.com/54248>.
   // Therefore the main MessageLoop is run so things work.
 
-  scoped_refptr<FirstRunShowBridge> bridge = new FirstRunShowBridge(self);
+  scoped_refptr<FirstRunShowBridge> bridge(new FirstRunShowBridge(self));
   MessageLoop::current()->PostTask(
       FROM_HERE,
       NewRunnableMethod(bridge.get(),
                         &FirstRunShowBridge::ShowDialog));
   MessageLoop::current()->Run();
 }
 
 - (void)show {
   NSWindow* win = [self window];
 
@@ skipping 95 matching lines @@
   [NSApp stopModal];
 }
 
 - (IBAction)learnMore:(id)sender {
   NSString* urlStr = l10n_util::GetNSString(IDS_LEARN_MORE_REPORTING_URL);
   NSURL* learnMoreUrl = [NSURL URLWithString:urlStr];
   [[NSWorkspace sharedWorkspace] openURL:learnMoreUrl];
 }
 
 @end