Remove deprecated gfx::Image::operator NSImage*().

chrome/browser/ui/cocoa/hung_renderer_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/hung_renderer_controller.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
@@ skipping 66 matching lines @@
 
 - (void)dealloc {
   DCHECK(!g_instance);
   [tableView_ setDataSource:nil];
   [super dealloc];
 }
 
 - (void)awakeFromNib {
   // Load in the image
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-  NSImage* backgroundImage = rb.GetNativeImageNamed(IDR_FROZEN_TAB_ICON);
-  DCHECK(backgroundImage);
+  NSImage* backgroundImage =
+      rb.GetNativeImageNamed(IDR_FROZEN_TAB_ICON).ToNSImage();
   [imageView_ setImage:backgroundImage];
 
   // Make the message fit.
   CGFloat messageShift =
     [GTMUILocalizerAndLayoutTweaker sizeToFitFixedWidthTextField:messageView_];
 
   // Move the graphic up to be top even with the message.
   NSRect graphicFrame = [imageView_ frame];
   graphicFrame.origin.y += messageShift;
   [imageView_ setFrame:graphicFrame];
@@ skipping 128 matching lines @@
     [g_instance showForWebContents:contents];
   }
 }
 
 void HideHungRendererDialog(WebContents* contents) {
   if (!logging::DialogsAreSuppressed() && g_instance)
     [g_instance endForWebContents:contents];
 }
 
 }  // namespace chrome