add SkCanvas::drawDRRect

src/pipe/SkGPipeRead.cpp

Index: src/pipe/SkGPipeRead.cpp
diff --git a/src/pipe/SkGPipeRead.cpp b/src/pipe/SkGPipeRead.cpp
index 513a34d6394c6c1eded70d64b999a4b4f5a7c294..8827adc73f393e6ecf58c8c6b09a4e107c4ab607 100644
--- a/src/pipe/SkGPipeRead.cpp
+++ b/src/pipe/SkGPipeRead.cpp
@@ -396,6 +396,16 @@ static void drawRRect_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
     }
 }
 
+static void drawDRRect_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
+                          SkGPipeState* state) {
+    SkRRect outer, inner;
+    reader->readRRect(&outer);
+    reader->readRRect(&inner);
+    if (state->shouldDraw()) {
+        canvas->drawDRRect(outer, inner, state->paint());
+    }
+}
+
 static void drawPath_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
                         SkGPipeState* state) {
     SkPath path;
@@ -763,6 +773,7 @@ static const ReadProc gReadTable[] = {
     drawBitmapRect_rp,
     drawClear_rp,
     drawData_rp,
+    drawDRRect_rp,
     drawOval_rp,
     drawPaint_rp,
     drawPath_rp,