Allow unit tests to use a mock audio input controller.

media/media.gyp

 # Copyright (c) 2010 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,
     'player_x11_renderer%': 'x11',
   },
   'targets': [
@@ skipping 268 matching lines @@
             ['linux_use_tcmalloc==1', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         }],
       ],
     },
     {
+      'target_name': 'media_test_support',
+      'type': '<(library)',
+      'dependencies': [
+        'media',
+        '../base/base.gyp:base',
+      ],
+      'sources': [
+        'audio/test_audio_input_controller_factory.cc',
+        'audio/test_audio_input_controller_factory.h',
+      ],
+    },
+    {
       'target_name': 'media_bench',
       'type': 'executable',
       'msvs_guid': '45BC4F87-4604-4962-A751-7C7B29A080BF',
       'dependencies': [
         'media',
         '../base/base.gyp:base',
         '../third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
       ],
       'sources': [
         'tools/media_bench/media_bench.cc',
@@ skipping 263 matching lines @@
       ],
     }],
   ],
 }
 
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