Use delegate protocols present in the 10.6 SDK

chrome/browser/cocoa/browser_window_controller.mm

 // Copyright (c) 2009 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 <Carbon/Carbon.h>
 
 #include "base/mac_util.h"
 #include "base/scoped_nsdisable_screen_updates.h"
 #import "base/scoped_nsobject.h"
 #include "base/sys_string_conversions.h"
@@ skipping 781 matching lines @@
   // Create the new window with a single tab in its model, the one being
   // dragged.
   DockInfo dockInfo;
   Browser* newBrowser =
       browser_->tabstrip_model()->TearOffTabContents(contents,
                                                      browserRect,
                                                      dockInfo);
 
   // Get the new controller by asking the new window for its delegate.
   BrowserWindowController* controller =
-      [newBrowser->window()->GetNativeHandle() delegate];
+      reinterpret_cast<BrowserWindowController*>(
+          [newBrowser->window()->GetNativeHandle() delegate]);
   DCHECK(controller && [controller isKindOfClass:[TabWindowController class]]);
 
   // Force the added tab to the right size (remove stretching.)
   tabRect.size.height = [TabStripController defaultTabHeight];
 
   // And make sure we use the correct frame in the new view.
   [[controller tabStripController] setFrameOfSelectedTab:tabRect];
   return controller;
 }
 
@@ skipping 601 matching lines @@
       provider->GetNSColor(BrowserThemeProvider::COLOR_TOOLBAR);
   [theme setValue:toolbarBackgroundColor
      forAttribute:@"backgroundColor"
             style:GTMThemeStyleToolBar
             state:GTMThemeStateActiveWindow];
 
   return theme;
 }
 @end