Revert of Cleanup of shader building system

src/gpu/GrOptDrawState.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrOptDrawState.h"
 
 #include "GrDrawState.h"
@@ skipping 204 matching lines @@
             inout.fColor = 0xFF << GrColor_SHIFT_A;
             inout.fValidFlags = kA_GrColorComponentFlag;
         } else {
             inout.fValidFlags = 0;
             // not strictly necessary but we get false alarms from tools about uninit.
             inout.fColor = 0;
         }
     }
 
     for (int i = 0; i < ds.numColorStages(); ++i) {
-        const GrFragmentProcessor* fp = ds.getColorStage(i).getProcessor();
+        const GrFragmentProcessor* fp = ds.getColorStage(i).getFragmentProcessor();
         if (!fp->willUseInputColor()) {
             firstColorStage = i;
             fInputColorIsUsed = false;
         }
         fp->computeInvariantOutput(&inout);
         if (kRGBA_GrColorComponentFlags == inout.fValidFlags) {
             firstColorStage = i + 1;
             fColor = inout.fColor;
             fInputColorIsUsed = true;
             this->removeFixedFunctionVertexAttribs(0x1 << kColor_GrVertexAttribBinding);
@@ skipping 27 matching lines @@
 #endif
     if (ds.numCoverageStages() > 0) {
         fCoverageStages.reset(&ds.getCoverageStage(firstCoverageStage),
                               ds.numCoverageStages() - firstCoverageStage);
     } else {
         fCoverageStages.reset();
     }
 }
 
 static void get_stage_stats(const GrFragmentStage& stage, bool* readsDst, bool* readsFragPosition) {
-    if (stage.getProcessor()->willReadDstColor()) {
+    if (stage.getFragmentProcessor()->willReadDstColor()) {
         *readsDst = true;
     }
-    if (stage.getProcessor()->willReadFragmentPosition()) {
+    if (stage.getFragmentProcessor()->willReadFragmentPosition()) {
         *readsFragPosition = true;
     }
 }
 
 void GrOptDrawState::getStageStats() {
     // We will need a local coord attrib if there is one currently set on the optState and we are
     // actually generating some effect code
     fRequiresLocalCoordAttrib = this->hasLocalCoordAttribute() && this->numTotalStages() > 0;
 
     fReadsDst = false;
@@ skipping 79 matching lines @@
         }
     }
 
     SkASSERT(0 == memcmp(this->fFixedFunctionVertexAttribIndices,
                          that.fFixedFunctionVertexAttribIndices,
                          sizeof(this->fFixedFunctionVertexAttribIndices)));
 
     return true;
 }