Remove unused attribute document.TypeNotations

Intent to Remove:
    https://groups.google.com/a/chromium.org/forum/?pli=1#!topic/blink-dev/kOmWiRz5fzs

BUG=342286

Review URL: https://codereview.chromium.org/158653002

git-svn-id: svn://svn.chromium.org/blink/trunk@166857 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove out of order style recalc when frame becomes composited

After r166807[1] these are no longer necessary to create a layer and trigger
the compositing update.

[1] https://src.chromium.org/viewvc/blink?revision=166807&view=revision

BUG=

Review URL: https://codereview.chromium.org/158723004

git-svn-id: svn://svn.chromium.org/blink/trunk@166858 bbb929c8-8fbe-4397-9dbb-9b2b20218538