Simplify calculations in AADistanceFieldPathBatch::writePathVertices.

src/gpu/batches/GrAADistanceFieldPathRenderer.cpp

Index: src/gpu/batches/GrAADistanceFieldPathRenderer.cpp
diff --git a/src/gpu/batches/GrAADistanceFieldPathRenderer.cpp b/src/gpu/batches/GrAADistanceFieldPathRenderer.cpp
index d48649cd27f551aa14000aecd510a4e22a9449f6..8525eb2fdef513928831a3cdbfa31985e6860eb7 100644
--- a/src/gpu/batches/GrAADistanceFieldPathRenderer.cpp
+++ b/src/gpu/batches/GrAADistanceFieldPathRenderer.cpp
@@ -461,11 +461,6 @@ private:
         width *= invScale;
         height *= invScale;
 
-        SkFixed tx = SkIntToFixed(pathData->fAtlasLocation.fX);
-        SkFixed ty = SkIntToFixed(pathData->fAtlasLocation.fY);
-        SkFixed tw = SkScalarToFixed(pathData->fBounds.width());
-        SkFixed th = SkScalarToFixed(pathData->fBounds.height());
-
         SkPoint* positions = reinterpret_cast<SkPoint*>(offset);
 
         // vertex positions
@@ -479,12 +474,15 @@ private:
             *colorPtr = color;
         }
 
+        const SkScalar tx = SkIntToScalar(pathData->fAtlasLocation.fX);
+        const SkScalar ty = SkIntToScalar(pathData->fAtlasLocation.fY);
+
         // vertex texture coords
         SkPoint* textureCoords = (SkPoint*)(offset + sizeof(SkPoint) + sizeof(GrColor));
-        textureCoords->setRectFan(SkFixedToFloat(texture->texturePriv().normalizeFixedX(tx)),
-                                  SkFixedToFloat(texture->texturePriv().normalizeFixedY(ty)),
-                                  SkFixedToFloat(texture->texturePriv().normalizeFixedX(tx + tw)),
-                                  SkFixedToFloat(texture->texturePriv().normalizeFixedY(ty + th)),
+        textureCoords->setRectFan(tx / texture->width(),
+                                  ty / texture->height(),
+                                  (tx + pathData->fBounds.width()) / texture->width(),
+                                  (ty + pathData->fBounds.height())  / texture->height(),
                                   vertexStride);
     }