[Chromecast] Upgrade to new CMA backend API

chromecast/chromecast_tests.gypi

Index: chromecast/chromecast_tests.gypi
diff --git a/chromecast/chromecast_tests.gypi b/chromecast/chromecast_tests.gypi
index ff9632461f3dfe4ae0be21adccd54156c1802a51..bc42b1ce26582f7f60845bef800a55177c9cfc8f 100644
--- a/chromecast/chromecast_tests.gypi
+++ b/chromecast/chromecast_tests.gypi
@@ -169,6 +169,7 @@
         }],
         ['OS!="android"', {
           'dependencies': [
+            'cast_renderer_media_unittests',
             'cast_shell_unittests',
             'cast_shell_browser_test',
             'media/media.gyp:cast_media_unittests',
@@ -309,6 +310,22 @@
       ],  # end of targets
     }, {  # OS!="android"
       'targets': [
+        {
+          'target_name': 'cast_renderer_media_unittests',
+          'type': '<(gtest_target_type)',
+          'dependencies': [
+            'cast_shell_media',
+            '../base/base.gyp:run_all_unittests',
+            '../testing/gmock.gyp:gmock',
+            '../testing/gtest.gyp:gtest',
+          ],
+          'sources': [
+            'renderer/media/demuxer_stream_adapter_unittest.cc',
+            'renderer/media/demuxer_stream_for_test.cc',
+            'renderer/media/demuxer_stream_for_test.h',
+            'renderer/media/multi_demuxer_stream_adapter_unittest.cc',
+          ],
+        },  # end of cast_renderer_media_unittests
         # GN target: //chromecast/browser:test_support
         {
           'target_name': 'cast_shell_test_support',