Remove old unit test script.

We can now build and run webkit_unit_tests using the normal Chrome build tools.

BUG=none

Review URL: https://chromiumcodereview.appspot.com/22287005

git-svn-id: svn://svn.chromium.org/blink/trunk@155799 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fix egregious memory corruption error in partitionReallocGeneric.

Nothing uses it yet, usefully.

Review URL: https://chromiumcodereview.appspot.com/22647009

git-svn-id: svn://svn.chromium.org/blink/trunk@155800 bbb929c8-8fbe-4397-9dbb-9b2b20218538