Add window resize benchmark

Add window resize benchmark
https://bugs.webkit.org/show_bug.cgi?id=91070

Reviewed by Ryosuke Niwa.

PerformanceTests:

Added window-resize.html which exercise html5.html. This test
resizes the window and forces re-layout repeatedly.

* Interactive/resources/window-resize.js: Added.
* Interactive/window-resize.html: Added.
* Parser/resources/html5.html: Modified to inject driver scripts.

Tools:

Added some more output filters to take care of html5.html output.

* Scripts/webkitpy/performance_tests/perftest.py:
(PerfTest):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@123063 268f45cc-cd09-0410-ab3c-d52691b4dbfc