Move DocumentMarker related files to editing/markers from dom/

This patch moves DocumentMarker related files from "dom/" into
"editing/markers/"
 - DocumentMarker.{cpp,h}
 - DocumentMarkerController.{cpp,h}
 - DocumentMarkerControllerTest.cpp
 - RenderedDocumentMarker.h
to make better modularity for improving code helath, because |DocumentMarker|
and |DocumentMarkerIterator| are used editing and it isn't in DOM specification.

BUG=50927
TEST=n/a; no behavior change

Review URL: https://codereview.chromium.org/1293683003

git-svn-id: svn://svn.chromium.org/blink/trunk@200541 bbb929c8-8fbe-4397-9dbb-9b2b20218538
32 files changed
tree: 21c8655488f27674491ad8d50609b41c2514e138
  1. third_party/