StyleBuilder should not know about StyleResolver.

StyleBuilder should only know how to build styles and apply properties.
Carefully, we weaned StyleBuilder off its addiction to StyleResolver.
Victory is ours.

No functional changes, no tests.

BUG=259085
R=eae, eseidel, esprehn

Review URL: https://chromiumcodereview.appspot.com/21625003

git-svn-id: svn://svn.chromium.org/blink/trunk@155446 bbb929c8-8fbe-4397-9dbb-9b2b20218538