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

chrome/browser/chromeos/cros/mock_mount_library.h

Index: chrome/browser/chromeos/cros/mock_mount_library.h
diff --git a/chrome/browser/chromeos/cros/mock_mount_library.h b/chrome/browser/chromeos/cros/mock_mount_library.h
index a2d5663658f801c71a0b098766a11ab4c9729630..0aad288ba7d28ba9c2346f7e3e254ce98949ab72 100644
--- a/chrome/browser/chromeos/cros/mock_mount_library.h
+++ b/chrome/browser/chromeos/cros/mock_mount_library.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
 
 #include <string>
-#include <vector>
 
 #include "base/observer_list.h"
 #include "base/time.h"