Eliminate timeerAlignmentinterval() recursion.

The recursion breaks the call stack.
We shouldn't do that.

R=abarth, tkent
BUG=311317

Review URL: https://codereview.chromium.org/42793003

git-svn-id: svn://svn.chromium.org/blink/trunk@160519 bbb929c8-8fbe-4397-9dbb-9b2b20218538