Implement ISO BMFF support in Media Source (try 2).

media/media.gyp

Index: media/media.gyp
diff --git a/media/media.gyp b/media/media.gyp
index 056407f5a912e35cd8dfc64377e5bf9179b56f66..22c6ca07185e7e5b617f2ffe7da0350abc18f9f1 100644
--- a/media/media.gyp
+++ b/media/media.gyp
@@ -235,6 +235,20 @@
         'filters/video_frame_generator.h',
         'filters/video_renderer_base.cc',
         'filters/video_renderer_base.h',
+        'mp4/avc.cc',
+        'mp4/avc.h',
+        'mp4/box_definitions.cc',
+        'mp4/box_definitions.h',
+        'mp4/box_reader.cc',
+        'mp4/box_reader.h',
+        'mp4/cenc.cc',
+        'mp4/cenc.h',
+        'mp4/mp4_stream_parser.cc',
+        'mp4/mp4_stream_parser.h',
+        'mp4/offset_byte_queue.cc',
+        'mp4/offset_byte_queue.h',
+        'mp4/track_run_iterator.cc',
+        'mp4/track_run_iterator.h',
         'video/capture/fake_video_capture_device.cc',
         'video/capture/fake_video_capture_device.h',
         'video/capture/linux/video_capture_device_linux.cc',
@@ -673,6 +687,10 @@
         'filters/pipeline_integration_test_base.cc',
         'filters/source_buffer_stream_unittest.cc',
         'filters/video_renderer_base_unittest.cc',
+        'mp4/avc_unittest.cc',
+        'mp4/box_reader_unittest.cc',
+        'mp4/mp4_stream_parser_unittest.cc',
+        'mp4/offset_byte_queue_unittest.cc',
         'video/capture/video_capture_device_unittest.cc',
         'webm/cluster_builder.cc',
         'webm/cluster_builder.h',
@@ -710,6 +728,7 @@
             'filters/ffmpeg_video_decoder_unittest.cc',
             'filters/pipeline_integration_test.cc',
             'filters/pipeline_integration_test_base.cc',
+            'mp4/mp4_stream_parser_unittest.cc',
             'webm/webm_cluster_parser_unittest.cc',
           ],
         }],