Chromium plumbing for Screen Orientation API orientationchange events.

This is using RenderViewObserver::OrientationChangeEvent and dispatch
the information down to the renderer. More will come with locking
and unlocking abilities.

BUG=162827

Review URL: https://codereview.chromium.org/164913004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253029 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 389c0a31bbf210134ae60a597e52886767a0a23f
1 file changed
tree: 860377a008887b48e743d576d62ee325a5594a89
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. ipc/
  6. mojo/
  7. testing/
  8. third_party/
  9. ui/