Move TextPainter to core/paint/

Also clean out a bunch of unused includes from
core/rendering/InlineTextBox.cpp.

BUG=412088

Review URL: https://codereview.chromium.org/738863002

git-svn-id: svn://svn.chromium.org/blink/trunk@185534 bbb929c8-8fbe-4397-9dbb-9b2b20218538
7 files changed
tree: a775dc1338e22a2eb90497d42a6983dc1441ff1c
  1. third_party/