Merge "Revert "Expose setDrawGLFunctionDetachedCallback to webview"" into nyc-dev
am: 08ca2e3

* commit '08ca2e3a7593ced4967c56709a1fe675408d42dc':
  Revert "Expose setDrawGLFunctionDetachedCallback to webview"

Change-Id: I4bba52ddc4b89273eceb2627facbb9091eb341c0