Implement Linux audio capturer.

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 1173 matching lines @@
         'remoting_base',
         'remoting_jingle_glue',
         'remoting_protocol',
         'differ_block',
         '../crypto/crypto.gyp:crypto',
       ],
       'sources': [
         'host/audio_capturer.cc',
         'host/audio_capturer.h',
         'host/audio_capturer_linux.cc',
+        'host/audio_capturer_linux.h',
         'host/audio_capturer_mac.cc',
         'host/audio_capturer_win.cc',
+        'host/audio_capturer_win.h',
         'host/audio_scheduler.cc',
         'host/audio_scheduler.h',
         'host/capture_scheduler.cc',
         'host/capture_scheduler.h',
         'host/chromoting_host.cc',
         'host/chromoting_host.h',
         'host/chromoting_host_context.cc',
         'host/chromoting_host_context.h',
         'host/client_session.cc',
         'host/client_session.h',
@@ skipping 633 matching lines @@
                   '../base/allocator/allocator.gyp:allocator',
                 ],
               },
             ],
           ],
         }],
       ],  # end of 'conditions'
     },  # end of target 'remoting_unittests'
   ],  # end of targets
 }