Revert of [Reland] Enable AutoResize for Constrained Web Dialogs for Mac.

chrome/browser/ui/cocoa/one_click_signin_dialog_controller.mm

 // Copyright (c) 2013 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/ui/cocoa/one_click_signin_dialog_controller.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.h"
 #include "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_window.h"
@@ skipping 12 matching lines @@
         closeCallback:close_callback
          isSyncDialog:YES
                 email:email
          errorMessage:nil]);
   base::scoped_nsobject<NSWindow> window([[ConstrainedWindowCustomWindow alloc]
       initWithContentRect:[[view_controller_ view] bounds]]);
   [[window contentView] addSubview:[view_controller_ view]];
 
   base::scoped_nsobject<CustomConstrainedWindowSheet> sheet(
       [[CustomConstrainedWindowSheet alloc] initWithCustomWindow:window]);
-  constrained_window_ =
-      CreateAndShowWebModalDialogMac(this, web_contents, sheet);
+  constrained_window_.reset(new ConstrainedWindowMac(
+      this, web_contents, sheet));
 }
 
 OneClickSigninDialogController::~OneClickSigninDialogController() {
 }
 
 void OneClickSigninDialogController::OnConstrainedWindowClosed(
-  ConstrainedWindowMac* window) {
+    ConstrainedWindowMac* window) {
   [view_controller_ viewWillClose];
   base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
 }
 
 void OneClickSigninDialogController::PerformClose() {
   constrained_window_->CloseWebContentsModalDialog();
 }