Make GrGLSLProgramBuilder base class for ProgramBuilder

src/gpu/gl/GrGLCaps.h

Index: src/gpu/gl/GrGLCaps.h
diff --git a/src/gpu/gl/GrGLCaps.h b/src/gpu/gl/GrGLCaps.h
index 1eb1496730cbb4fa02f65be2a4cd8ede4e9bae8d..6be512f1b886caef565fd7d164105089d5fb5ef4 100644
--- a/src/gpu/gl/GrGLCaps.h
+++ b/src/gpu/gl/GrGLCaps.h
@@ -195,9 +195,6 @@ public:
     /// Is GL_ARB_IMAGING supported
     bool imagingSupport() const { return fImagingSupport; }
 
-    /// Is GL_ARB_fragment_coord_conventions supported?
-    bool fragCoordConventionsSupport() const { return fFragCoordsConventionSupport; }
-
     /// Is there support for Vertex Array Objects?
     bool vertexArrayObjectSupport() const { return fVertexArrayObjectSupport; }
 
@@ -345,7 +342,6 @@ private:
     bool fTextureRedSupport : 1;
     bool fImagingSupport  : 1;
     bool fTwoFormatLimit : 1;
-    bool fFragCoordsConventionSupport : 1;
     bool fVertexArrayObjectSupport : 1;
     bool fInstancedDrawingSupport : 1;
     bool fDirectStateAccessSupport : 1;