Revert "MacViews: Re-enable single ui::Compositor view"

This reverts commit 6f4d713f35161bc425b1032956e2b12fdd5f639f.

Reason for revert: This seems to have caused

Original change's description:
> MacViews: Re-enable single ui::Compositor view
> Decide at initialization whether or not a RenderWidgetHostViewMac will
> be displayed in its NSView or through a ui::Compositor.
> This fixes a bug whereby some windows (DevTools is a good example)
> would, through the vagaries of initialization order, draw a single
> frame to the NSView, which would then never go away, and cover up the
> ui::Compositor's version of the content (which was then updating
> correctly, though not visible).
> Bug: 840173, 845807
> Change-Id: If051d249956b10c9e56450ed1f58b9048d331562
> Reviewed-on:
> Commit-Queue: ccameron <>
> Reviewed-by: Sidney San Martín <>
> Cr-Commit-Position: refs/heads/master@{#561717},

Change-Id: Ic25ee96c567c3531d91ec5431f10d15d34bfee82
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 840173, 845807
Reviewed-by: Fady Samuel <>
Commit-Queue: Fady Samuel <>
Cr-Commit-Position: refs/heads/master@{#561850}
2 files changed