Use resources/testharness.js for geometry-interfaces-dom-matrix test

This way the test can be shared with other browser vendors and can be uploaded
as part of the W3C test suite. This CL also removes duplicated test cases from
previous version.

BUG=388780

Review URL: https://codereview.chromium.org/460573004

git-svn-id: svn://svn.chromium.org/blink/trunk@180879 bbb929c8-8fbe-4397-9dbb-9b2b20218538