Remove TabContents from constrained windows.

chrome/browser/ui/cocoa/constrained_window/constrained_window_controller.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.
 
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_controller.h"
 
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_window.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_mac2.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_sheet_controller.h"
-#include "chrome/browser/ui/tab_contents/tab_contents.h"
 
 @interface ConstrainedWindowController ()
 - (void)onEmbeddedViewFrameDidChange:(NSNotification*)note;
 @end
 
 @implementation ConstrainedWindowController
 
 - (id)initWithParentWebContents:(content::WebContents*)parentWebContents
                    embeddedView:(NSView*)embeddedView {
   scoped_nsobject<NSWindow> window([[ConstrainedWindowCustomWindow alloc]
       initWithContentRect:[embeddedView bounds]]);
   if ((self = [super initWithWindow:window])) {
     embeddedView_.reset([embeddedView retain]);
     [[window contentView] addSubview:embeddedView];
 
     [embeddedView setPostsFrameChangedNotifications:YES];
     [[NSNotificationCenter defaultCenter]
         addObserver:self
            selector:@selector(onEmbeddedViewFrameDidChange:)
                name:NSViewFrameDidChangeNotification
              object:embeddedView];
 
-    constrainedWindow_ = new ConstrainedWindowMac2(
-        TabContents::FromWebContents(parentWebContents), window);
+    constrainedWindow_ = new ConstrainedWindowMac2(parentWebContents, window);
   }
   return self;
 }
 
 - (void)dealloc {
   [[NSNotificationCenter defaultCenter] removeObserver:self];
   [super dealloc];
 }
 
 - (void)close {
   if (constrainedWindow_) {
     constrainedWindow_->CloseConstrainedWindow();
     constrainedWindow_ = NULL;
   }
 }
 
 - (void)onEmbeddedViewFrameDidChange:(NSNotification*)note {
   NSSize newSize = [embeddedView_ frame].size;
   [[ConstrainedWindowSheetController controllerForSheet:[self window]]
         setSheet:[self window]
       windowSize:newSize];
 }
 
 @end