Disable compositing query assert when dragging

BUG=354373

Review URL: https://codereview.chromium.org/210763005

git-svn-id: svn://svn.chromium.org/blink/trunk@170030 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Oilpan: Move CSSAnimations, CSSAnimationUpdate and ActiveAnimations to oilpan's heap

BUG=340522

Review URL: https://codereview.chromium.org/212143002

git-svn-id: svn://svn.chromium.org/blink/trunk@170031 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Skip 'eventSender' at collecting properties

BUG=331301

Review URL: https://codereview.chromium.org/212333002

git-svn-id: svn://svn.chromium.org/blink/trunk@170032 bbb929c8-8fbe-4397-9dbb-9b2b20218538