Update createChildFrame in mojo's html_viewer to take sandbox flags.

WebFrameClient::createChildFrame is being updated to take sandbox flags in https://codereview.chromium.org/838903002/, with the goal of replicating them for out-of-process iframes.  This needs to be updated to the new version as well.

BUG=426512

Review URL: https://codereview.chromium.org/821023005

Cr-Commit-Position: refs/heads/master@{#312296}


CrOS-Libchrome-Original-Commit: c098f9c489b5b7976834ae538d8b9f0d446a7da5
2 files changed
tree: 522d6f2cddc4c2aa5093f9d0a16f2d0141278b86
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/