MediaRecorderHandler (video part) and unittests

media/media.gyp

Index: media/media.gyp
diff --git a/media/media.gyp b/media/media.gyp
index 79980a403fc1d70c3920a1b69a2414551996ae87..2ad3ef10d4ae647153a4deb019ba86eb8ef18542 100644
--- a/media/media.gyp
+++ b/media/media.gyp
@@ -478,8 +478,6 @@
         'capture/video/win/video_capture_device_mf_win.h',
         'capture/video/win/video_capture_device_win.cc',
         'capture/video/win/video_capture_device_win.h',
-        'capture/webm_muxer.cc',
-        'capture/webm_muxer.h',
         'cdm/aes_decryptor.cc',
         'cdm/aes_decryptor.h',
         'cdm/default_cdm_factory.cc',
@@ -700,9 +698,7 @@
           'dependencies': [
             '<(DEPTH)/third_party/libwebm/libwebm.gyp:libwebm',
           ],
-        }, {  # media_use_libwebm==0
-          # Exclude the sources that depend on libwebm.
-          'sources!': [
+          'sources': [
             'capture/webm_muxer.cc',
             'capture/webm_muxer.h',
           ],
@@ -1273,7 +1269,6 @@
         'filters/vp8_parser_unittest.cc',
         'filters/vp9_parser_unittest.cc',
         'filters/vp9_raw_bits_reader_unittest.cc',
-        'capture/webm_muxer_unittest.cc',
         'formats/common/offset_byte_queue_unittest.cc',
         'formats/webm/cluster_builder.cc',
         'formats/webm/cluster_builder.h',
@@ -1337,9 +1332,7 @@
           'dependencies': [
             '<(DEPTH)/third_party/libwebm/libwebm.gyp:libwebm',
           ],
-        }, {  # media_use_libwebm==0
-          # Exclude the sources that depend on libwebm.
-          'sources!': [
+          'sources': [
             'capture/webm_muxer_unittest.cc',
           ],
         }],