Update VideoFrameScheduler API and add clockless and testing implementations.

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 1025 matching lines @@
         'filters/file_data_source_unittest.cc',
         'filters/h264_bit_reader_unittest.cc',
         'filters/h264_parser_unittest.cc',
         'filters/h264_to_annex_b_bitstream_converter_unittest.cc',
         'filters/pipeline_integration_test.cc',
         'filters/pipeline_integration_test_base.cc',
         'filters/skcanvas_video_renderer_unittest.cc',
         'filters/source_buffer_stream_unittest.cc',
         'filters/video_decoder_selector_unittest.cc',
         'filters/video_frame_scheduler_impl_unittest.cc',
+        'filters/video_frame_scheduler_unittest.cc',
         'filters/video_frame_stream_unittest.cc',
         'filters/video_renderer_impl_unittest.cc',
         'midi/midi_manager_usb_unittest.cc',
         'midi/midi_message_queue_unittest.cc',
         'midi/midi_message_util_unittest.cc',
         'midi/usb_midi_descriptor_parser_unittest.cc',
         'midi/usb_midi_input_stream_unittest.cc',
         'midi/usb_midi_output_stream_unittest.cc',
         'video/capture/video_capture_device_unittest.cc',
         'formats/common/offset_byte_queue_unittest.cc',
@@ skipping 200 matching lines @@
         'base/mock_audio_renderer_sink.cc',
         'base/mock_audio_renderer_sink.h',
         'base/mock_demuxer_host.cc',
         'base/mock_demuxer_host.h',
         'base/mock_filters.cc',
         'base/mock_filters.h',
         'base/test_data_util.cc',
         'base/test_data_util.h',
         'base/test_helpers.cc',
         'base/test_helpers.h',
+        'filters/clockless_video_frame_scheduler.cc',
+        'filters/clockless_video_frame_scheduler.h',
         'filters/mock_gpu_video_accelerator_factories.cc',
         'filters/mock_gpu_video_accelerator_factories.h',
+        'filters/test_video_frame_scheduler.cc',
+        'filters/test_video_frame_scheduler.h',
         'video/mock_video_decode_accelerator.cc',
         'video/mock_video_decode_accelerator.h',
       ],
     },
     {
       # Minimal target for NaCl and other renderer side media clients which
       # only need to send audio data across the shared memory to the browser
       # process.
       'target_name': 'shared_memory_support',
       'type': '<(component)',
@@ skipping 404 matching lines @@
                   ],
                 }],
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }