Remove TabContents from TabStripModelObserverBridge.

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 157 matching lines @@
 // implementation only monitors the initiating tab.
 - (void)showForWebContents:(WebContents*)contents {
   DCHECK(contents);
   hungContents_ = contents;
   hungContentsObserver_.reset(new WebContentsObserverBridge(contents, self));
   scoped_nsobject<NSMutableArray> titles([[NSMutableArray alloc] init]);
   scoped_nsobject<NSMutableArray> favicons([[NSMutableArray alloc] init]);
   for (TabContentsIterator it; !it.done(); ++it) {
     if (it->web_contents()->GetRenderProcessHost() ==
         hungContents_->GetRenderProcessHost()) {
-      string16 title = (*it)->web_contents()->GetTitle();
+      string16 title = it->web_contents()->GetTitle();
       if (title.empty())
         title = CoreTabHelper::GetDefaultTitle();
       [titles addObject:base::SysUTF16ToNSString(title)];
-      [favicons addObject:mac::FaviconForTabContents(*it)];
+      [favicons addObject:mac::FaviconForWebContents(it->web_contents())];
     }
   }
   hungTitles_.reset([titles copy]);
   hungFavicons_.reset([favicons copy]);
   [tableView_ reloadData];
 
   [[self window] center];
   [self showWindow:self];
 }
 
@@ skipping 34 matching lines @@
     [g_instance showForWebContents:contents];
   }
 }
 
 void HideHungRendererDialog(WebContents* contents) {
   if (!logging::DialogsAreSuppressed() && g_instance)
     [g_instance endForWebContents:contents];
 }
 
 }  // namespace chrome