Implement support for using the Win32 Apache version in run-webkit-tests

This adds a --use-apache flag to run-webkit-tests for testing over the
transition (but this is not on by default).

The flag will be removed when we are happy w/ the new binary.

R=scottmg@chromium.org
BUG=30536

Review URL: https://codereview.chromium.org/159893006

git-svn-id: svn://svn.chromium.org/blink/trunk@167632 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove unused return value from fitsInMaximumImageSize().

A follow up in the patch review discussion of bug #240184.

BUG=

Review URL: https://codereview.chromium.org/175563003

git-svn-id: svn://svn.chromium.org/blink/trunk@167633 bbb929c8-8fbe-4397-9dbb-9b2b20218538