Implement screen capturer for MediaStream API.

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 PulseAudio library.
     'use_pulseaudio%': 0,
     # Override to dynamically link the cras (ChromeOS audio) library.
@@ skipping 328 matching lines @@
         'video/capture/screen/linux/x_server_pixel_buffer.cc',
         'video/capture/screen/linux/x_server_pixel_buffer.h',
         'video/capture/screen/mac/desktop_configuration.mm',
         'video/capture/screen/mac/desktop_configuration.h',
         'video/capture/screen/mac/scoped_pixel_buffer_object.cc',
         'video/capture/screen/mac/scoped_pixel_buffer_object.h',
         'video/capture/screen/mouse_cursor_shape.cc',
         'video/capture/screen/mouse_cursor_shape.h',
         'video/capture/screen/screen_capture_data.cc',
         'video/capture/screen/screen_capture_data.h',
+        'video/capture/screen/screen_capture_device.cc',
+        'video/capture/screen/screen_capture_device.h',
         'video/capture/screen/screen_capture_frame.cc',
         'video/capture/screen/screen_capture_frame.h',
         'video/capture/screen/screen_capture_frame_queue.cc',
         'video/capture/screen/screen_capture_frame_queue.h',
         'video/capture/screen/screen_capturer.h',
         'video/capture/screen/screen_capturer_fake.cc',
         'video/capture/screen/screen_capturer_fake.h',
         'video/capture/screen/screen_capturer_helper.cc',
         'video/capture/screen/screen_capturer_helper.h',
         'video/capture/screen/screen_capturer_linux.cc',
@@ skipping 452 matching lines @@
         '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_renderer_base_unittest.cc',
         'video/capture/screen/differ_block_unittest.cc',
         'video/capture/screen/differ_unittest.cc',
         'video/capture/screen/shared_buffer_unittest.cc',
+        'video/capture/screen/screen_capture_device_unittest.cc',
         'video/capture/screen/screen_capturer_helper_unittest.cc',
         'video/capture/screen/screen_capturer_mac_unittest.cc',
         'video/capture/screen/screen_capturer_unittest.cc',
         'video/capture/video_capture_device_unittest.cc',
         'webm/cluster_builder.cc',
         'webm/cluster_builder.h',
         'webm/webm_cluster_parser_unittest.cc',
         'webm/webm_content_encodings_client_unittest.cc',
         'webm/webm_parser_unittest.cc',
       ],
@@ skipping 617 matching lines @@
           ],
           'sources': [
             'video/capture/screen/differ_block_sse2.cc',
             'video/capture/screen/differ_block_sse2.h',
           ],
         }, # end of target differ_block_sse2
       ],
     }],
   ],
 }