GitLab

Replace the C++ interface RenderWidgetHostNSViewBridge with an
equivalent mojo implementation.

Add required native types WebCursor and EncodedAttributedString.

Touch up RenderWidgetHostNSViewBridgeLocal's functions to match new
signatures.

Bug: 821651
Change-Id: I8e1ed2e842571ffdb28a08b1546ef5996120266a
Reviewed-on: https://chromium-review.googlesource.com/1110755Reviewed-by: Avi Drissman <avi@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: ccameron <ccameron@chromium.org>
Cr-Commit-Position: refs/heads/master@{#571005}