Improve input handling for WaveAudioHandler.

media/media.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': {
     'chromium_code': 1,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 1513 matching lines @@
               'audio/android/audio_android_unittest.cc',
             ],
           }],
           ['OS=="mac"', {
             'sources': [
               'audio/mac/audio_auhal_mac_unittest.cc',
               'audio/mac/audio_device_listener_mac_unittest.cc',
               'audio/mac/audio_low_latency_input_mac_unittest.cc',
             ],
           }],
-          ['chromeos==1', {
+          ['chromeos==1 or chromecast==1', {
             'sources': [
               'audio/sounds/audio_stream_handler_unittest.cc',
               'audio/sounds/sounds_manager_unittest.cc',
               'audio/sounds/test_data.cc',
               'audio/sounds/test_data.h',
               'audio/sounds/wav_audio_handler_unittest.cc',
             ],
           }],
           ['OS=="win"', {
             'sources': [
@@ skipping 569 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }