Remove localcoordchange functions off paint

src/gpu/GrDrawState.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDrawState.h"
 
 #include "GrBlend.h"
@@ skipping 94 matching lines @@
     fColorProcInfoValid = false;
     fCoverageProcInfoValid = false;
 
     fColorCache = GrColor_ILLEGAL;
     fCoverageCache = GrColor_ILLEGAL;
 
     fColorPrimProc = NULL;
     fCoveragePrimProc = NULL;
 }
 
-bool GrDrawState::setIdentityViewMatrix()  {
-    if (this->numFragmentStages()) {
-        SkMatrix invVM;
-        if (!fViewMatrix.invert(&invVM)) {
-            // sad trombone sound
-            return false;
-        }
-        for (int s = 0; s < this->numColorStages(); ++s) {
-            fColorStages[s].localCoordChange(invVM);
-        }
-        for (int s = 0; s < this->numCoverageStages(); ++s) {
-            fCoverageStages[s].localCoordChange(invVM);
-        }
-    }
-    fViewMatrix.reset();
-    return true;
-}
-
 void GrDrawState::setFromPaint(const GrPaint& paint, const SkMatrix& vm, GrRenderTarget* rt) {
     SkASSERT(0 == fBlockEffectRemovalCnt || 0 == this->numFragmentStages());
 
     fColorStages.reset();
     fCoverageStages.reset();
 
     for (int i = 0; i < paint.numColorStages(); ++i) {
         fColorStages.push_back(paint.getColorStage(i));
     }
 
@@ skipping 218 matching lines @@
 void GrDrawState::calcCoverageInvariantOutput(GrColor coverage) const {
     if (!fCoverageProcInfoValid || coverage != fCoverageCache) {
         GrColorComponentFlags flags = kRGBA_GrColorComponentFlags;
         fCoverageProcInfo.calcWithInitialValues(fCoverageStages.begin(),
                                                 this->numCoverageStages(), coverage, flags,
                                                 true);
         fCoverageProcInfoValid = true;
         fCoverageCache = coverage;
     }
 }