Remove TabContents from constrained windows.

chrome/browser/ui/cocoa/web_intent_picker_cocoa.mm

 // Copyright (c) 2012 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/cocoa/web_intent_picker_cocoa.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 92 matching lines @@
   DCHECK(delegate);
   DCHECK(tab_contents);
 
   sheet_controller_ = [
       [WebIntentPickerSheetController alloc] initWithPicker:this];
 
   // Deleted when ConstrainedPickerSheetDelegate::DeleteDelegate() runs.
   ConstrainedPickerSheetDelegate* constrained_delegate =
       new ConstrainedPickerSheetDelegate(this, sheet_controller_);
 
-  window_ = new ConstrainedWindowMac(tab_contents, constrained_delegate);
+  window_ = new ConstrainedWindowMac(tab_contents->web_contents(),
+                                     constrained_delegate);
 }
 
 WebIntentPickerCocoa::~WebIntentPickerCocoa() {
   if (model_ != NULL)
     model_->set_observer(NULL);
 }
 
 void WebIntentPickerCocoa::OnSheetDidEnd(NSWindow* sheet) {
   [sheet orderOut:sheet_controller_];
   if (window_)
@@ skipping 123 matching lines @@
 }
 
 void WebIntentPickerCocoa::OnChooseAnotherService() {
   DCHECK(delegate_);
   delegate_->OnChooseAnotherService();
   inline_disposition_tab_contents_.reset();
   inline_disposition_delegate_.reset();
   [sheet_controller_ setInlineDispositionTabContents:NULL];
   PerformLayout();
 }