Plumb drawArc to SkDevice

src/utils/SkShadowPaintFilterCanvas.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPathEffect.h"
 #include "SkShadowPaintFilterCanvas.h"
 
@@ skipping 85 matching lines @@
     this->INHERITED::onDrawDRRect(outer, inner, paint);
     this->restore();
 }
 
 void SkShadowPaintFilterCanvas::onDrawOval(const SkRect &rect, const SkPaint &paint) {
     this->updateMatrix();
     this->INHERITED::onDrawOval(rect, paint);
     this->restore();
 }
 
+void SkShadowPaintFilterCanvas::onDrawArc(const SkRect &rect, SkScalar startAngle,
+                                          SkScalar sweepAngle, bool useCenter,
+                                          const SkPaint &paint) {
+    this->updateMatrix();
+    this->INHERITED::onDrawArc(rect, startAngle, sweepAngle, useCenter, paint);
+    this->restore();
+}
+
 void SkShadowPaintFilterCanvas::onDrawPath(const SkPath &path, const SkPaint &paint) {
     this->updateMatrix();
     this->INHERITED::onDrawPath(path, paint);
     this->restore();
 }
 
 void SkShadowPaintFilterCanvas::onDrawBitmap(const SkBitmap &bm, SkScalar left, SkScalar top,
                                              const SkPaint *paint) {
     this->updateMatrix();
     this->INHERITED::onDrawBitmap(bm, left, top, paint);
@@ skipping 96 matching lines @@
 }
 
 void SkShadowPaintFilterCanvas::onDrawTextBlob(const SkTextBlob *blob, SkScalar x, SkScalar y,
                                                const SkPaint &paint) {
     this->updateMatrix();
     this->INHERITED::onDrawTextBlob(blob, x, y, paint);
     this->restore();
 }
 
 #endif