content: Move constrained window code from TabContents to TabContentsWrapper

chrome/browser/ui/cocoa/constrained_html_delegate_mac.mm

 // Copyright (c) 2011 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/ui/webui/constrained_html_ui.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_nsobject.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 122 matching lines @@
 // static
 ConstrainedWindow* ConstrainedHtmlUI::CreateConstrainedHtmlDialog(
     Profile* profile,
     HtmlDialogUIDelegate* delegate,
     TabContentsWrapper* wrapper) {
   // Deleted when ConstrainedHtmlDelegateMac::DeleteDelegate() runs.
   ConstrainedHtmlDelegateMac* constrained_delegate =
       new ConstrainedHtmlDelegateMac(profile, delegate);
   // Deleted when ConstrainedHtmlDelegateMac::OnDialogCloseFromWebUI() runs.
   ConstrainedWindow* constrained_window =
-      new ConstrainedWindowMac(wrapper->tab_contents(), constrained_delegate);
+      new ConstrainedWindowMac(wrapper, constrained_delegate);
   constrained_delegate->set_window(constrained_window);
   return constrained_window;
 }
 
 @implementation ConstrainedHtmlDialogSheetCocoa
 
 - (id)initWithConstrainedHtmlDelegateMac:
     (ConstrainedHtmlDelegateMac*)ConstrainedHtmlDelegateMac {
   if ((self = [super init]))
     constrainedHtmlDelegate_ = ConstrainedHtmlDelegateMac;
   return self;
 }
 
 - (void)sheetDidEnd:(NSWindow*)sheet
          returnCode:(int)returnCode
         contextInfo:(void *)contextInfo {
   [sheet orderOut:self];
 }
 
 @end