resolution dependent path measure

src/core/SkDraw.cpp

Index: src/core/SkDraw.cpp
diff --git a/src/core/SkDraw.cpp b/src/core/SkDraw.cpp
index 246c31ba5102a114fa51c7a67e0559a852628ab6..9396fa7943b5b60323c79b11ff00a769e3874830 100644
--- a/src/core/SkDraw.cpp
+++ b/src/core/SkDraw.cpp
@@ -1005,7 +1005,7 @@ DRAW_PATH:
     this->drawPath(path, paint, nullptr, true);
 }
 
-static SkScalar compute_res_scale_for_stroking(const SkMatrix& matrix) {
+SkScalar SkDraw::ComputeResScaleForStroking(const SkMatrix& matrix) {
     if (!matrix.hasPerspective()) {
         SkScalar sx = SkPoint::Length(matrix[SkMatrix::kMScaleX], matrix[SkMatrix::kMSkewY]);
         SkScalar sy = SkPoint::Length(matrix[SkMatrix::kMSkewX],  matrix[SkMatrix::kMScaleY]);
@@ -1085,7 +1085,7 @@ void SkDraw::drawPath(const SkPath& origSrcPath, const SkPaint& origPaint,
             cullRectPtr = &cullRect;
         }
         doFill = paint->getFillPath(*pathPtr, &tmpPath, cullRectPtr,
-                                    compute_res_scale_for_stroking(*fMatrix));
+                                    ComputeResScaleForStroking(*fMatrix));
         pathPtr = &tmpPath;
     }