Fix http://crbug.com/13971: OSX: Text copied from Omnibox is styled

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 "base/mac_util.h"
 #include "base/scoped_nsdisable_screen_updates.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/app/chrome_dll_resource.h"  // IDC_*
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
@@ skipping 748 matching lines @@
     ;  // TODO(pinkerton): figure out page-up
   else if ([event deltaY] < -0.5)
     ;  // TODO(pinkerton): figure out page-down
 
   // Ensure the command is valid first (ExecuteCommand() won't do that) and
   // then make it so.
   if (browser_->command_updater()->IsCommandEnabled(command))
     browser_->ExecuteCommand(command);
 }
 
+- (id)windowWillReturnFieldEditor:(NSWindow*)sender toObject:(id)obj {
+  // Ask the toolbar controller if it wants to return a custom field editor
+  // for the specific object.
+  return [toolbarController_ customFieldEditorForObject:obj];
+}
+
 @end