Tighten up DEPS some more. NaCl/service process code are including internal content files. Fix the …

content/common/chrome_descriptors.h

Index: content/common/chrome_descriptors.h
===================================================================
--- content/common/chrome_descriptors.h	(revision 140304)
+++ content/common/chrome_descriptors.h	(working copy)
@@ -1,18 +0,0 @@
-// 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.
-
-#ifndef CONTENT_COMMON_CHROME_DESCRIPTORS_H_
-#define CONTENT_COMMON_CHROME_DESCRIPTORS_H_
-#pragma once
-
-#include "ipc/ipc_descriptors.h"
-
-// This is a list of global descriptor keys to be used with the
-// base::GlobalDescriptors object (see base/global_descriptors_posix.h)
-enum {
-  kCrashDumpSignal = kPrimaryIPCChannel + 1,
-  kSandboxIPCChannel = kPrimaryIPCChannel + 2,  // http://code.google.com/p/chromium/LinuxSandboxIPC
-};
-
-#endif  // CONTENT_COMMON_CHROME_DESCRIPTORS_H_