Added registerChild; transforms, textures, glKey automatically handled.

src/gpu/gl/GrGLProgramDesc.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "GrGLProgramDesc.h"
 
 #include "GrGLFragmentProcessor.h"
 #include "GrProcessor.h"
@@ skipping 97 matching lines @@
     primProc.getGLProcessorKey(batchTracker, *gpu->glCaps().glslCaps(), &b);
     //**** use glslCaps here?
     if (!get_meta_key(primProc, gpu->glCaps(), 0, &b)) {
         glDesc->key().reset();
         return false;
     }
 
     for (int s = 0; s < pipeline.numFragmentStages(); ++s) {
         const GrPendingFragmentStage& fps = pipeline.getFragmentStage(s);
         const GrFragmentProcessor& fp = *fps.processor();
+
         fp.getGLProcessorKey(*gpu->glCaps().glslCaps(), &b);
+
         //**** use glslCaps here?
         if (!get_meta_key(fp, gpu->glCaps(), primProc.getTransformKey(fp.coordTransforms()), &b)) {
             glDesc->key().reset();
             return false;
         }
     }
 
     const GrXferProcessor& xp = *pipeline.getXferProcessor();
     xp.getGLProcessorKey(*gpu->glCaps().glslCaps(), &b);
     //**** use glslCaps here?
@@ skipping 16 matching lines @@
                                                                   gpu->glCaps());
     } else {
         header->fFragPosKey = 0;
     }
     header->fSnapVerticesToPixelCenters = pipeline.snapVerticesToPixelCenters();
     header->fColorEffectCnt = pipeline.numColorFragmentStages();
     header->fCoverageEffectCnt = pipeline.numCoverageFragmentStages();
     glDesc->finalize();
     return true;
 }