Introduce cadence based VideoRendererAlgorithm.

media/BUILD.gn

Index: media/BUILD.gn
diff --git a/media/BUILD.gn b/media/BUILD.gn
index 559e29ade71326f11e9f536314467371637e5e9c..e6aa274f6fa1599add919cd36d96e6d4a9d7271a 100644
--- a/media/BUILD.gn
+++ b/media/BUILD.gn
@@ -141,11 +141,15 @@ component("media") {
     "filters/source_buffer_stream.h",
     "filters/stream_parser_factory.cc",
     "filters/stream_parser_factory.h",
+    "filters/video_cadence_estimator.cc",
+    "filters/video_cadence_estimator.h",
     "filters/video_frame_scheduler.h",
     "filters/video_frame_scheduler_impl.cc",
     "filters/video_frame_scheduler_impl.h",
     "filters/video_frame_scheduler_proxy.cc",
     "filters/video_frame_scheduler_proxy.h",
+    "filters/video_renderer_algorithm.cc",
+    "filters/video_renderer_algorithm.h",
     "filters/vp8_bool_decoder.cc",
     "filters/vp8_bool_decoder.h",
     "filters/vp8_parser.cc",
@@ -557,10 +561,12 @@ test("media_unittests") {
     "filters/h264_parser_unittest.cc",
     "filters/jpeg_parser_unittest.cc",
     "filters/source_buffer_stream_unittest.cc",
+    "filters/video_cadence_estimator_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_algorithm_unittest.cc",
     "filters/vp8_bool_decoder_unittest.cc",
     "filters/vp8_parser_unittest.cc",
     "formats/common/offset_byte_queue_unittest.cc",