Hide SaveFlags from the public SkCanvas API.

src/utils/SkProxyCanvas.cpp

Index: src/utils/SkProxyCanvas.cpp
diff --git a/src/utils/SkProxyCanvas.cpp b/src/utils/SkProxyCanvas.cpp
index e680caad261f58b20cb43ac68a30038c8d40d140..23662300a30955ba81ff373dbc0449fa038c0175 100644
--- a/src/utils/SkProxyCanvas.cpp
+++ b/src/utils/SkProxyCanvas.cpp
@@ -22,13 +22,21 @@ void SkProxyCanvas::setProxy(SkCanvas* proxy) {
 ///////////////////////////////// Overrides ///////////
 
 void SkProxyCanvas::willSave(SaveFlags flags) {
-    fProxy->save(flags);
+    fProxy->save(
+#ifdef SK_SUPPORT_LEGACY_SAVEFLAGS
+                flags
+#endif
+                );
     this->INHERITED::willSave(flags);
 }
 
 SkCanvas::SaveLayerStrategy SkProxyCanvas::willSaveLayer(const SkRect* bounds, const SkPaint* paint,
                                                          SaveFlags flags) {
-    fProxy->saveLayer(bounds, paint, flags);
+    fProxy->saveLayer(bounds, paint
+#ifdef SK_SUPPORT_LEGACY_SAVEFLAGS
+                      , flags
+#endif
+                      );
     this->INHERITED::willSaveLayer(bounds, paint, flags);
     // No need for a layer.
     return kNoLayer_SaveLayerStrategy;