Use a weak pointer to post service control events and session change notifications.

remoting/remoting.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     # TODO(dmaclach): can we pick this up some other way? Right now it's
     # duplicated from chrome.gyp
     'chromium_code': 1,
 
@@ skipping 2325 matching lines @@
         'base/rate_counter.cc',
         'base/rate_counter.h',
         'base/resources.cc',
         'base/resources.h',
         'base/rsa_key_pair.cc',
         'base/rsa_key_pair.h',
         'base/running_average.cc',
         'base/running_average.h',
         'base/socket_reader.cc',
         'base/socket_reader.h',
-        'base/stoppable.cc',
-        'base/stoppable.h',
         'base/typed_buffer.h',
         'base/util.cc',
         'base/util.h',
         'codec/audio_decoder.cc',
         'codec/audio_decoder.h',
         'codec/audio_decoder_opus.cc',
         'codec/audio_decoder_opus.h',
         'codec/audio_decoder_speex.cc',
         'codec/audio_decoder_speex.h',
         'codec/audio_decoder_verbatim.cc',
@@ skipping 443 matching lines @@
                   '../base/allocator/allocator.gyp:allocator',
                 ],
               },
             ],
           ],
         }],  # end of 'toolkit_uses_gtk == 1'
       ],  # end of 'conditions'
     },  # end of target 'remoting_unittests'
   ],  # end of targets
 }