Remove "legacy" experimental stream support

third_party/WebKit/LayoutTests/TestExpectations

 # Intentional failures to test the layout test system.
 Bug(intentional) [ Android Linux Win Mac10.10 Mac10.11 Retina ] harness-tests/crash.html [ Crash ]
 crbug.com/644303 [ Mac10.9 ] harness-tests/crash.html [ Crash Timeout ]
 Bug(intentional) harness-tests/timeout.html [ Timeout ]
 
 # ====== Oilpan-only failures from here ======
 # Most of these actually cause the tests to report success, rather than
 # failure. Expected outputs will be adjusted for the better once Oilpan
 # has been well and truly enabled always.
 
@@ skipping 807 matching lines @@
 crbug.com/377696 printing/setPrinting.html [ Skip ]
 crbug.com/377696 printing/width-overflow.html [ Skip ]
 
 crbug.com/474987 [ Win Mac ] css3/flexbox/auto-margins.html [ Failure ]
 
 crbug.com/658305 css3/filters/effect-reference-after.html [ Failure Pass ]
 
 crbug.com/267206 [ Mac ] fast/scrolling/scrollbar-tickmarks-hittest.html [ Timeout ]
 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 ]

[wolenetz, 2016/11/03 18:02:40]

appendbuffer != appendstream

[yhirano, 2016/11/07 06:36:52]

Done.

-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 ]

[wolenetz, 2016/11/03 18:02:40]

ditto

[yhirano, 2016/11/07 06:36:52]

Done.

-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 ]

[wolenetz, 2016/11/03 18:02:40]

ditto

[yhirano, 2016/11/07 06:36:51]

Done.

-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.
 crbug.com/555703 [ Linux Mac Win ] virtual/media-gpu-accelerated [ Skip ]
 
 crbug.com/253763 fast/text-autosizing/first-line-scale-factor.html [ Failure ]
 
 crbug.com/390377 [ Release ] fast/dom/private_script_unittest.html [ Skip ]
 
 crbug.com/613887 http/tests/preload/meta-viewport-link-headers.html [ Failure Pass ]
 crbug.com/564403 [ Win Debug ] http/tests/inspector/service-workers/service-worker-manager.html [ Failure Pass Timeout ]
@@ skipping 657 matching lines @@
 crbug.com/602693 imported/wpt/service-workers/service-worker/register-closed-window.https.html [ Timeout ]
 crbug.com/618616 imported/wpt/service-workers/service-worker/fetch-mixed-content-to-inscope.https.html [ Timeout ]
 crbug.com/618616 imported/wpt/service-workers/service-worker/fetch-mixed-content-to-outscope.https.html [ Timeout ]
 
 crbug.com/660295 inspector/elements/elements-panel-restore-selection-when-node-comes-later.html [ Pass Failure ]
 
 crbug.com/660308 [ Mac ] fast/css-grid-layout/grid-auto-repeat-intrinsic.html [ Pass Failure Timeout Crash ]
 
 crbug.com/657968 storage/indexeddb/idbdatabase-createObjectStore-exception-order.html [ Pass Failure ]
 crbug.com/657968 storage/indexeddb/idbdatabase-deleteObjectStore-exception-order.html [ Pass Failure ]