Factor out cc::OutputSurface::InitializeAndSetContext3D

This is a protected method so that it can be called by subclasses to set
and initialize a new Context3D post construction time.

BUG=230197

Review URL: https://chromiumcodereview.appspot.com/15647021

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@204976 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed