Fix PositionAndSizeTest#testShouldGetCoordinatesOfAnElementWithFixedPosition so that it does what it means in the larger browser windows.
"placeholder" has to be taller than the viewport so that scrolling to the "bottom" results in some scrolling.
Get rid of unnecessary [] in function type annotation.
Closure compiler people prefer those not to exist.
Ignore tests on Chrome for Android.
Some must not run, some fail due to issues.
In the name of jleyba: Convert a bunch of tests from using goog.testing.AsyncTestCase to return a goog.Promise to control when the test finishes.
Closure's long term goal is to eliminate AsyncTestCase and its ilk