Revert of Move DstCoordTexture to GrXP, rename and remove the word "copy" from dstcopytexture names.

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 1d53e62692bd84b8f75c059fb6b5ff2f09db2959..a10b0e8875249238d7c44cb75a6ba350fe9b0926 100644
--- a/src/gpu/gl/GrGLProgramDesc.h
+++ b/src/gpu/gl/GrGLProgramDesc.h
@@ -54,6 +54,8 @@
      *                        this optstate.
      * @param GrGLGpu  A GL Gpu, the caps and Gpu object are used to output processor specific
      *                 parts of the descriptor.
+     * @param GrDeviceCoordTexture  A dstCopy texture, which may be null if frame buffer fetch is
+     *                              supported
      * @param GrProgramDesc  The built and finalized descriptor
      **/
     static bool Build(GrProgramDesc*,