Revert 197660 "Introduce SynchronousCompositor + Client" which has incorrect gyp paths.
> Introduce SynchronousCompositor + Client
>
> Makes a direct API from aw/browser into the content/renderer
> compositor (for use in single process only).
> Plumb through the webview SW draw path as first step to removing
> the synchronous IPC path.
>
> BUG=230226
> NOTRY=true
>
> Review URL: https://chromiumcodereview.appspot.com/
14445008
TBR=joth@chromium.org
Review URL: https://codereview.chromium.org/
14598003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@197676 0039d316-1c4b-4281-b951-d872f2087c98