Implement http auth login dialog for OS X.

chrome/browser/cocoa/constrained_window_mac.mm

 // Copyright (c) 2009 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/cocoa/constrained_window_mac.h"
 
 #import "chrome/browser/cocoa/browser_window_controller.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/tab_contents/tab_contents_view.h"
 #import "third_party/GTM/AppKit/GTMWindowSheetController.h"
@@ skipping 11 matching lines @@
       nil];
   [sheetController beginSystemSheet:systemSheet_
                        modalForView:view
                      withParameters:params];
 }
 
 void ConstrainedWindowMacDelegateCustomSheet::RunSheet(
     GTMWindowSheetController* sheetController,
     NSView* view) {
   [sheetController beginSheet:customSheet_.get()
-                 modalForView:view modalDelegate:delegate_.get()
+                 modalForView:view
+                modalDelegate:delegate_.get()
                didEndSelector:didEndSelector_
                   contextInfo:NULL];
 }
 
 // static
 ConstrainedWindow* ConstrainedWindow::CreateConstrainedDialog(
     TabContents* parent,
     ConstrainedWindowMacDelegate* delegate) {
   return new ConstrainedWindowMac(parent, delegate);
 }
@@ skipping 35 matching lines @@
     return;
   }
   DCHECK(controller != nil);
 
   // Remember the controller we're adding ourselves to, so that we can later
   // remove us from it.
   controller_ = controller;
   [controller_ attachConstrainedWindow:this];
   delegate_->set_sheet_open(true);
 }