Hide SaveFlags from the public SkCanvas API.

src/utils/SkNWayCanvas.cpp

Index: src/utils/SkNWayCanvas.cpp
diff --git a/src/utils/SkNWayCanvas.cpp b/src/utils/SkNWayCanvas.cpp
index f78c65382fb69a4f0e6f42405e7dfdef8dc1c6be..ac8922da9410a15261057c3f18d9ed7505d65523 100644
--- a/src/utils/SkNWayCanvas.cpp
+++ b/src/utils/SkNWayCanvas.cpp
@@ -60,7 +60,11 @@ private:
 void SkNWayCanvas::willSave(SaveFlags flags) {
     Iter iter(fList);
     while (iter.next()) {
-        iter->save(flags);
+        iter->save(
+#ifdef SK_SUPPORT_LEGACY_SAVEFLAGS
+                    flags
+#endif
+                    );
     }
 
     this->INHERITED::willSave(flags);
@@ -70,7 +74,11 @@ SkCanvas::SaveLayerStrategy SkNWayCanvas::willSaveLayer(const SkRect* bounds, co
                                                         SaveFlags flags) {
     Iter iter(fList);
     while (iter.next()) {
-        iter->saveLayer(bounds, paint, flags);
+        iter->saveLayer(bounds, paint
+#ifdef SK_SUPPORT_LEGACY_SAVEFLAGS
+                        , flags
+#endif
+                        );
     }
 
     this->INHERITED::willSaveLayer(bounds, paint, flags);