FBTF: Remove "obviously" unneeded standard C++ library #includes.

chrome/browser/cocoa/cocoa_test_helper.h

Index: chrome/browser/cocoa/cocoa_test_helper.h
diff --git a/chrome/browser/cocoa/cocoa_test_helper.h b/chrome/browser/cocoa/cocoa_test_helper.h
index dce544e4423c2074740676b248c5dac4183e228c..343e0fffd6b1cdaab174296f1f00ff1ca0c35ff6 100644
--- a/chrome/browser/cocoa/cocoa_test_helper.h
+++ b/chrome/browser/cocoa/cocoa_test_helper.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -7,7 +7,6 @@
 #pragma once
 
 #import <Cocoa/Cocoa.h>
-#include <vector>
 
 #import "base/chrome_application_mac.h"
 #include "base/debug_util.h"