Move MakeDivByTextureWHMatrix to GrCoordTransform

src/effects/SkAlphaThresholdFilter.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 "SkAlphaThresholdFilter.h"
 #include "SkBitmap.h"
 #include "SkReadBuffer.h"
@@ skipping 72 matching lines @@
 
     typedef GrGLAlphaThresholdEffect GLEffect;
 
 private:
     AlphaThresholdEffect(GrTexture* texture,
                          GrTexture* maskTexture,
                          float innerThreshold,
                          float outerThreshold)
         : fInnerThreshold(innerThreshold)
         , fOuterThreshold(outerThreshold)
-        , fImageCoordTransform(kLocal_GrCoordSet, MakeDivByTextureWHMatrix(texture), texture)
+        , fImageCoordTransform(kLocal_GrCoordSet,
+                               GrCoordTransform::MakeDivByTextureWHMatrix(texture), texture)
         , fImageTextureAccess(texture)
-        , fMaskCoordTransform(kLocal_GrCoordSet, MakeDivByTextureWHMatrix(maskTexture), maskTexture)
+        , fMaskCoordTransform(kLocal_GrCoordSet,
+                              GrCoordTransform::MakeDivByTextureWHMatrix(maskTexture), maskTexture)
         , fMaskTextureAccess(maskTexture) {
         this->addCoordTransform(&fImageCoordTransform);
         this->addTextureAccess(&fImageTextureAccess);
         this->addCoordTransform(&fMaskCoordTransform);
         this->addTextureAccess(&fMaskTextureAccess);
     }
 
     virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE;
 
     GR_DECLARE_EFFECT_TEST;
@@ skipping 269 matching lines @@
                                                   (U8CPU)(SkColorGetG(source) * scale),
                                                   (U8CPU)(SkColorGetB(source) * scale));
                 }
             }
             dptr[y * dst->width() + x] = output_color;
         }
     }
 
     return true;
 }