Revert 245131 "Add the UI compositor to the Mac build", which caused Mac ASan redness

Revert 245131 "Add the UI compositor to the Mac build", which caused Mac ASan redness


> Add the UI compositor to the Mac build
> 
> Move the bulk of the files in content/browser/aura to
> content/browser/compositor, since they're not aura-specific.
> 
> Build all of those files in the Mac build, and add ui/compositor
> to the dependencies of the Mac build. These files will soon only
> be excluded from the Android build.
> 
> BUG=314190
> 
> Review URL: https://codereview.chromium.org/137893007

TBR=ccameron@chromium.org
BUG=335083
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=245195

[Alexander Potapenko, 2014-01-16 14:38:46]

Committed patchset #1 manually as r245195 (tree was closed).