chromium/third_party/blink/web_tests/virtual/threaded/fast/idleToBlob/README.txt

# This suite runs the tests in virtual/threaded/fast/idleToBlob with --enable-threaded-compositing.  
# See the virtual_test_suites() method in tools/blinkpy/web_tests/port/base.py.

# Do not remove this virtual test suites unless idle tasks can be run in layout tests or
# the test features are no longer implemented in idle tasks.