override new virtual onDrawDRRect in util canvas subclasses

BUG=skia:
R=robertphillips@google.com, reed@google.com

Author: reed@chromium.org

Review URL: https://codereview.chromium.org/174593003

git-svn-id: http://skia.googlecode.com/svn/trunk@13529 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/utils/debugger/SkDebugCanvas.cpp b/src/utils/debugger/SkDebugCanvas.cpp
index 07cb09f..8808854 100644
--- a/src/utils/debugger/SkDebugCanvas.cpp
+++ b/src/utils/debugger/SkDebugCanvas.cpp
@@ -401,6 +401,11 @@
     addDrawCommand(new SkDrawRRectCommand(rrect, paint));
 }
 
+void SkDebugCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner,
+                                 const SkPaint& paint) {
+    // TODO: add DRRect to debugger
+}
+
 void SkDebugCanvas::drawSprite(const SkBitmap& bitmap, int left, int top,
                                const SkPaint* paint = NULL) {
     addDrawCommand(new SkDrawSpriteCommand(bitmap, left, top, paint));
diff --git a/src/utils/debugger/SkDebugCanvas.h b/src/utils/debugger/SkDebugCanvas.h
index 262619e..94316d5 100644
--- a/src/utils/debugger/SkDebugCanvas.h
+++ b/src/utils/debugger/SkDebugCanvas.h
@@ -233,6 +233,9 @@
     static const int kVizImageHeight = 256;
     static const int kVizImageWidth = 256;
 
+protected:
+    virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRIDE;
+
 private:
     SkTDArray<SkDrawCommand*> fCommandVector;
     int fWidth;