Test that requestAnimationFrame gets throttled in low power mode.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS internals.isRequestAnimationFrameThrottled() is false
PASS internals.requestAnimationFrameInterval is Infinity
rAFHandle = requestAnimationFrame(doWork);
PASS internals.isRequestAnimationFrameThrottled() is false
PASS internals.requestAnimationFrameInterval is 0.015
internals.setLowPowerModeEnabled(true);
PASS internals.isRequestAnimationFrameThrottled() is true
PASS internals.requestAnimationFrameInterval is 0.030
cancelAnimationFrame(rAFHandle);
PASS internals.isRequestAnimationFrameThrottled() is true
PASS internals.requestAnimationFrameInterval is 0.030
rAFHandle = requestAnimationFrame(doWork);
PASS internals.isRequestAnimationFrameThrottled() is true
PASS internals.requestAnimationFrameInterval is 0.030
internals.setLowPowerModeEnabled(false);
PASS internals.isRequestAnimationFrameThrottled() is false
PASS internals.requestAnimationFrameInterval is 0.015
PASS successfullyParsed is true

TEST COMPLETE