Remove "legacy" experimental stream support

third_party/WebKit/LayoutTests/TestExpectations

Index: third_party/WebKit/LayoutTests/TestExpectations
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index 9cbfd4a1aae5e7cc8ae28b80d69cb66727102aff..7c9b31888a8f450befe6cff37e173257a3837411 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -856,14 +856,11 @@ crbug.com/267206 [ Mac ] fast/scrolling/scrollbar-tickmarks-hittest.html [ Timeo
 crbug.com/267206 [ Mac ] virtual/scroll_customization/fast/scrolling/scrollbar-tickmarks-hittest.html [ Timeout ]
 
 crbug.com/524160 [ Debug ] http/tests/media/media-source/stream_memory_tests/mediasource-appendbuffer-quota-exceeded-default-buffers.html [ Timeout ]
-crbug.com/524160 [ Debug ] http/tests/media/media-source/stream_memory_tests/mediasource-appendstream-quota-exceeded-default-buffers.html [ Timeout ]
 
 # Run the tests with the default MSE buffer sizes in the main test suite and the tests for 1MB buffers set via command line in a virtual test suite
 # with the --mse-audio-buffer-size-limit=1048576 and --mse-video-buffer-size-limit=1048576 command-line parameters.
 crbug.com/630342 virtual/mse-1mb-buffers/http/tests/media/media-source/stream_memory_tests/mediasource-appendbuffer-quota-exceeded-default-buffers.html [ Skip ]
-crbug.com/630342 virtual/mse-1mb-buffers/http/tests/media/media-source/stream_memory_tests/mediasource-appendstream-quota-exceeded-default-buffers.html [ Skip ]
 crbug.com/630342 http/tests/media/media-source/stream_memory_tests/mediasource-appendbuffer-quota-exceeded-1mb-buffers.html [ Skip ]
-crbug.com/630342 http/tests/media/media-source/stream_memory_tests/mediasource-appendstream-quota-exceeded-1mb-buffers.html [ Skip ]
 
 # On these platforms (all but Android) media tests don't currently use gpu-accelerated (proprietary) codecs, so no
 # benefit to running them again with gpu acceleration enabled.