media/capture: Adding WebmMuxer class and unittests

media/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
@@ skipping 138 matching lines @@
     "capture/video/win/sink_filter_win.cc",
     "capture/video/win/sink_filter_win.h",
     "capture/video/win/sink_input_pin_win.cc",
     "capture/video/win/sink_input_pin_win.h",
     "capture/video/win/video_capture_device_factory_win.cc",
     "capture/video/win/video_capture_device_factory_win.h",
     "capture/video/win/video_capture_device_mf_win.cc",
     "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",
     "cdm/default_cdm_factory.h",
     "cdm/json_web_key.cc",
     "cdm/json_web_key.h",
     "cdm/key_system_names.cc",
     "cdm/key_system_names.h",
     "cdm/player_tracker_impl.cc",
     "cdm/player_tracker_impl.h",
@@ skipping 597 matching lines @@
       "//media/base:test_support",
       "//media/test:pipeline_integration_tests",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/ffmpeg",
       "//ui/gfx/geometry",
       "//ui/gfx:test_support",
     ]
   }
 }