Add ability to ninepatch blurred rounded rectangle

src/pdf/SkPDFDevice.cpp

Index: src/pdf/SkPDFDevice.cpp
diff --git a/src/pdf/SkPDFDevice.cpp b/src/pdf/SkPDFDevice.cpp
index 1aed85632a7b978688d388f2641c8cd1431daf14..f89f3c283f6ead001f4036a7ce4c8507bd00830a 100644
--- a/src/pdf/SkPDFDevice.cpp
+++ b/src/pdf/SkPDFDevice.cpp
@@ -27,6 +27,7 @@
 #include "SkPDFTypes.h"
 #include "SkPDFUtils.h"
 #include "SkRect.h"
+#include "SkRRect.h"
 #include "SkString.h"
 #include "SkTextFormatParams.h"
 #include "SkTemplates.h"
@@ -931,6 +932,13 @@ void SkPDFDevice::drawRect(const SkDraw& d, const SkRect& rect,
                           &content.entry()->fContent);
 }
 
+void SkPDFDevice::drawRRect(const SkDraw& draw, const SkRRect& rrect,
+                            const SkPaint& paint) {
+    SkPath  path;
+    path.addRRect(rrect);
+    this->drawPath(draw, path, paint, NULL, true);
+}
+
 void SkPDFDevice::drawPath(const SkDraw& d, const SkPath& origPath,
                            const SkPaint& paint, const SkMatrix* prePathMatrix,
                            bool pathIsMutable) {