Remove empty directory

git-svn-id: svn://svn.chromium.org/blink/trunk@158215 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove empty directory

git-svn-id: svn://svn.chromium.org/blink/trunk@158216 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove empty directory

git-svn-id: svn://svn.chromium.org/blink/trunk@158217 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Rework webkitpy baselineoptimizer tests.

The tests had some complicated subclassing of the BaselineOptimizer classes
and weren't really testing the things we thought they were. Reworking
everything to just use a mock filesystem made things smaller and simpler.

(This is split off from https://codereview.chromium.org/24168005/ ).

TBR=ojan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/24242009

git-svn-id: svn://svn.chromium.org/blink/trunk@158218 bbb929c8-8fbe-4397-9dbb-9b2b20218538