Combine translator_common, translator_hlsl, translator_glsl into one target translator.

Because right now webkit is depending on translator_glsl, so we will create a duplication of translator as translator_glsl, which will be removed once we fix the webkit side.

BUG=
R=shannonwoods@chromium.org

Review URL: https://codereview.appspot.com/13850043
3 files changed