Added TIntermSelection::usesTernaryOperator() to distinguish between selection nodes using ternary operator and if-else. Used in both OutputGLSL and OutputHLSL. Review URL: http://codereview.appspot.com/830042 git-svn-id: https://angleproject.googlecode.com/svn/trunk@82 736b8ea6-26fd-11df-bfd4-992fa37f6226