Adds option for JSON reader to allow invalid utf characters

This way reading in bookmarks files won't throw out everything if a
bogus utf8 character was written.

BUG=656115
TEST=covered by test
R=brettw@chromium.org, stevenjb@chromium.org
TBR=stevenjb@chromium.org

Review-Url: https://codereview.chromium.org/2475583002
Cr-Commit-Position: refs/heads/master@{#431433}


CrOS-Libchrome-Original-Commit: cc7f72dcbc3953587ffe9706601f8d09e8d81481
10 files changed
tree: 2f74ce1c56a86e80005ed16ad2a29756db4b0c9e
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/