GitLab

Reason for revert: use-after-free with #3 0x897b331 in
views::NativeViewHostAura::ClippingWindowDelegate::CanFocus()
ui/views/controls/native/native_view_host_aura.cc:43 in the stack trace.
http://build.chromium.org/p/chromium.memory/builders/Linux%20ASan%20LSan%20Tests%20%283%29/builds/5437

> Make NativeViewHostAura clipping window non-focusable.
> 
> This CL fixes an issue where the clipping window would get a focus event
> when the SadTab was displayed causing the focus to be set to nothing,
> disabling all keyboard shortcuts.
> 
> This is fixed by making the clipping window nonfocusable.
> 
> BUG=393119
> 
> Review URL: https://codereview.chromium.org/397493005

TBR=calamity@chromium.org

Review URL: https://codereview.chromium.org/403853002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284196 0039d316-1c4b-4281-b951-d872f2087c98