Wholesale move of debugger sources to content.

content/content_utility.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
     {
       'target_name': 'content_utility',
       'type': 'static_library',
       'dependencies': [
         'content_common',
         '../base/base.gyp:base',
       ],
       'sources': [
-        'utility/content_utility_client.cc',
         'utility/content_utility_client.h',
         'utility/utility_main.cc',
         'utility/utility_thread.cc',
         'utility/utility_thread.h',
       ],
       'include_dirs': [
         '..',
       ],
       'conditions': [
         ['OS=="mac"', {
           'link_settings': {
             'mac_bundle_resources': [
               'utility/utility.sb',
             ],
           },
         }],
       ],
     },
   ],
 }