Factory methods for heap-allocated SkPathEffect and SkXfermode objects.

experimental/PdfViewer/SkPdfGraphicsState.cpp

Index: experimental/PdfViewer/SkPdfGraphicsState.cpp
diff --git a/experimental/PdfViewer/SkPdfGraphicsState.cpp b/experimental/PdfViewer/SkPdfGraphicsState.cpp
index b52f22ccc71c340e2e880eec2a6500b4798aedb8..76c4120fa33998f36449235c1228eacf3cbf827a 100644
--- a/experimental/PdfViewer/SkPdfGraphicsState.cpp
+++ b/experimental/PdfViewer/SkPdfGraphicsState.cpp
@@ -25,9 +25,9 @@ void SkPdfGraphicsState::applyGraphicsState(SkPaint* paint, bool stroking) {
         paint->setStrokeWidth(SkDoubleToScalar(fLineWidth));
         // TODO(edisonn): perf, avoid allocs of the intervals
         if (fDashArrayLength > 0) {
-            paint->setPathEffect(new SkDashPathEffect(fDashArray,
-                                                      fDashArrayLength,
-                                                      fDashPhase))->unref();
+            paint->setPathEffect(SkDashPathEffect::Create(fDashArray,
+                                                          fDashArrayLength,
+                                                          fDashPhase))->unref();
         }
     }