Simplify calculations in AADistanceFieldPathBatch::writePathVertices.

include/gpu/GrTexture.h

Index: include/gpu/GrTexture.h
diff --git a/include/gpu/GrTexture.h b/include/gpu/GrTexture.h
index ddba94065be2600847422bc887b89db46f62f9a0..c590d871756d7e0d4f6bc3d0251718898d72d3ac 100644
--- a/include/gpu/GrTexture.h
+++ b/include/gpu/GrTexture.h
@@ -60,10 +60,6 @@ private:
     };
 
     MipMapsStatus   fMipMapsStatus;
-    // These two shift a fixed-point value into normalized coordinates	
-    // for this texture if the texture is power of two sized.
-    int             fShiftFixedX;
-    int             fShiftFixedY;
 
     friend class GrTexturePriv;