Add unittests for BufferedSocketWriter and fix some bugs in that code.

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,
     'remoting_audio': 0,
@@ skipping 1744 matching lines @@
         'host/video_frame_capturer_mac_unittest.cc',
         'host/video_frame_capturer_unittest.cc',
         'jingle_glue/chromium_socket_factory_unittest.cc',
         'jingle_glue/fake_signal_strategy.cc',
         'jingle_glue/fake_signal_strategy.h',
         'jingle_glue/iq_sender_unittest.cc',
         'jingle_glue/mock_objects.cc',
         'jingle_glue/mock_objects.h',
         'protocol/authenticator_test_base.cc',
         'protocol/authenticator_test_base.h',
+        'protocol/buffered_socket_writer_unittest.cc',
         'protocol/clipboard_echo_filter_unittest.cc',
         'protocol/connection_tester.cc',
         'protocol/connection_tester.h',
         'protocol/connection_to_client_unittest.cc',
         'protocol/content_description_unittest.cc',
         'protocol/fake_authenticator.cc',
         'protocol/fake_authenticator.h',
         'protocol/fake_session.cc',
         'protocol/fake_session.h',
         'protocol/jingle_messages_unittest.cc',
@@ skipping 48 matching lines @@
                   '../base/allocator/allocator.gyp:allocator',
                 ],
               },
             ],
           ],
         }],
       ],  # end of 'conditions'
     },  # end of target 'remoting_unittests'
   ],  # end of targets
 }