move program descriptor generation to flush

src/gpu/gl/GrGLProgramDesc.h

Index: src/gpu/gl/GrGLProgramDesc.h
diff --git a/src/gpu/gl/GrGLProgramDesc.h b/src/gpu/gl/GrGLProgramDesc.h
index b53daeb444c3f52893c0ae786194ce88307bbc46..21d8e06a524fcba3053097a4b9bfac1b6ab12b4b 100644
--- a/src/gpu/gl/GrGLProgramDesc.h
+++ b/src/gpu/gl/GrGLProgramDesc.h
@@ -49,8 +49,6 @@ public:
      *                        general draw information, as well as the specific color, geometry,
      *                        and coverage stages which will be used to generate the GL Program for
      *                        this optstate.
-     * @param DescInfo  A descriptor info struct, generated by the optstate, which contains a number
-     *                  of important facts about the program the built descriptor will represent
      * @param DrawType
      * @param GrGpuGL  A GL Gpu, the caps and Gpu object are used to output processor specific
      *                 parts of the descriptor.
@@ -59,7 +57,6 @@ public:
      * @param GrProgramDesc  The built and finalized descriptor
      **/
     static bool Build(const GrOptDrawState&,
-                      const GrProgramDesc::DescInfo&,
                       GrGpu::DrawType,
                       GrGpuGL*,
                       GrProgramDesc*);