Fix SkStrokeRec == to report true for all fills

include/core/SkStrokeRec.h

Index: include/core/SkStrokeRec.h
diff --git a/include/core/SkStrokeRec.h b/include/core/SkStrokeRec.h
index 00b1fc1fca6d0d1479e3d3e4e2f4d8ce760256d7..b56dacb42cbe94fd4c78981aaa8cab902f50e402 100644
--- a/include/core/SkStrokeRec.h
+++ b/include/core/SkStrokeRec.h
@@ -95,12 +95,20 @@ public:
      */
     void applyToPaint(SkPaint* paint) const;
 
-    bool operator==(const SkStrokeRec& other) const {
-            return fWidth == other.fWidth &&
-                   fMiterLimit == other.fMiterLimit &&
-                   fCap == other.fCap &&
-                   fJoin == other.fJoin &&
-                   fStrokeAndFill == other.fStrokeAndFill;
+    /**
+     * Compare if two SkStrokeRecs have an equal effect on a path.
+     * Equal SkStrokeRecs produce equal paths. Equality of produced
+     * paths does not take the ResScale parameter into account.
+     */
+    bool hasEqualEffect(const SkStrokeRec& other) const {
+        if (!this->needToApply()) {
+            return this->getStyle() == other.getStyle();
+        }
+        return fWidth == other.fWidth &&
+               fMiterLimit == other.fMiterLimit &&
+               fCap == other.fCap &&
+               fJoin == other.fJoin &&
+               fStrokeAndFill == other.fStrokeAndFill;
     }
 
 private: