RenderTextHarfBuzz: Allow mid-glyph cursors in multi-grapheme clusters

Use the Unicode grapheme boundary algorithm via ICU BreakIterator to count graphemes in clusters

BUG=383265
TBR=jshin
NOTRY=true

Review URL: https://codereview.chromium.org/351963002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@286569 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 09c18a8de767b3224b8581e5aa726362f6bc2533
2 files changed
tree: 60f8dceeb701299ed21222951041a6cbdcd0d2e2
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/