Removing --disable/enable-threaded-compositing cmdline switches.

third_party/WebKit/LayoutTests/SlowTests

Index: third_party/WebKit/LayoutTests/SlowTests
diff --git a/third_party/WebKit/LayoutTests/SlowTests b/third_party/WebKit/LayoutTests/SlowTests
index d6267edbebead699966d401c1a2fecb6532d7b4d..b300c54d39aa83a7871631bd4f1bc1dbb0fb197d 100644
--- a/third_party/WebKit/LayoutTests/SlowTests
+++ b/third_party/WebKit/LayoutTests/SlowTests
@@ -126,7 +126,6 @@ crbug.com/450493 http/tests/inspector/stacktraces/ [ Slow ]
 crbug.com/450493 virtual/mojo-loading/http/tests/inspector/stacktraces/ [ Slow ]
 crbug.com/450493 inspector/profiler/ [ Slow ]
 crbug.com/420008 inspector/tracing/ [ Slow ]
-crbug.com/420008 virtual/threaded/inspector/tracing/ [ Slow ]
 crbug.com/246190 [ Release ] http/tests/inspector/indexeddb/ [ Slow ]
 crbug.com/246190 [ Release ] virtual/mojo-loading/http/tests/inspector/indexeddb/ [ Slow ]
 crbug.com/451577 [ Mac ] http/tests/inspector/extensions/extensions-sidebar.html [ Slow ]
@@ -180,7 +179,6 @@ crbug.com/248938 virtual/threaded/animations/3d/replace-filling-transform.html [
 crbug.com/311482 virtual/threaded/animations/interpolation/filter-interpolation.html [ Slow ]
 crbug.com/311482 virtual/threaded/animations/keyframes-unprefixed-03.html [ Slow ]
 crbug.com/243871 virtual/threaded/fast/scroll-behavior/ [ Slow ]
-crbug.com/243871 virtual/threaded/fast/idle-callback/idle_periods.html [ Slow ]
 crbug.com/664857 virtual/threaded/animations/transform-responsive-neutral-keyframe.html [ Slow ]
 crbug.com/669911 virtual/threaded/animations/zoom-responsive-transform-animation.html [ Slow ]
 
@@ -269,7 +267,6 @@ crbug.com/480769 virtual/mojo-loading/http/tests/inspector/service-workers/servi
 crbug.com/480769 http/tests/inspector/service-workers/service-worker-agents.html [ Slow ]
 crbug.com/480769 virtual/mojo-loading/http/tests/inspector/service-workers/service-worker-agents.html [ Slow ]
 crbug.com/504703 inspector-protocol/debugger/debugger-step-into-dedicated-worker.html [ Slow ]
-crbug.com/535478 [ Win ] virtual/threaded/inspector/tracing/decode-resize.html [ Slow ]
 crbug.com/548765 http/tests/inspector/console-fetch-logging.html [ Slow ]
 crbug.com/548765 virtual/mojo-loading/http/tests/inspector/console-fetch-logging.html [ Slow ]
 
@@ -343,7 +340,6 @@ crbug.com/697735 external/wpt/editing/run/superscript.html [ Slow ]
 crbug.com/697735 external/wpt/editing/run/underline.html [ Slow ]
 crbug.com/697735 external/wpt/editing/run/unlink.html [ Slow ]
 crbug.com/584807 printing/webgl-oversized-printing.html [ Slow ]
-crbug.com/584807 virtual/threaded/printing/webgl-oversized-printing.html [ Slow ]
 
 crbug.com/592183 external/wpt/webusb/usbDevice.https.html [ Slow ]