Paint Profiler: unroll SkPictures

Source/platform/graphics/InterceptingCanvas.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef InterceptingCanvas_h
 #define InterceptingCanvas_h
 
 #include "third_party/skia/include/core/SkCanvas.h"
+#include "third_party/skia/include/core/SkPicture.h"
 #include "wtf/Assertions.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
 
 class InterceptingCanvasBase : public SkCanvas {
     WTF_MAKE_NONCOPYABLE(InterceptingCanvasBase);
 public:
     template<typename DerivedCanvas> class CanvasInterceptorBase {
         WTF_MAKE_NONCOPYABLE(CanvasInterceptorBase);
@@ skipping 15 matching lines @@
         bool topLevelCall() const { return m_canvas->callNestingDepth() == 1; }
         InterceptingCanvasBase* m_canvas;
     };
 
     void resetStepCount() { m_callCount = 0; }
 
 protected:
     explicit InterceptingCanvasBase(SkBitmap bitmap) : SkCanvas(bitmap), m_callNestingDepth(0), m_callCount(0) { };
     InterceptingCanvasBase(int width, int height) : SkCanvas(width, height), m_callNestingDepth(0), m_callCount(0) { };
 
+    void unrollDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*, SkPicture::AbortCallback*);
+
     void onDrawPaint(const SkPaint&) override = 0;
     void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override = 0;
     void onDrawRect(const SkRect&, const SkPaint&) override = 0;
     void onDrawOval(const SkRect&, const SkPaint&) override = 0;
     void onDrawRRect(const SkRRect&, const SkPaint&) override = 0;
     void onDrawPath(const SkPath&, const SkPaint&) override = 0;
     void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override = 0;
     void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*, DrawBitmapRectFlags) override = 0;
     void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, const SkPaint*) override = 0;
     void onDrawImage(const SkImage*, SkScalar, SkScalar, const SkPaint*) override = 0;
@@ skipping 169 matching lines @@
     }
 
     void onClipRegion(const SkRegion& region, SkRegion::Op op) override
     {
         Interceptor interceptor(this);
         this->SkCanvas::onClipRegion(region, op);
     }
 
     void onDrawPicture(const SkPicture* picture, const SkMatrix* matrix, const SkPaint* paint) override
     {
-        Interceptor interceptor(this);
-        this->SkCanvas::onDrawPicture(picture, matrix, paint);
+        this->unrollDrawPicture(picture, matrix, paint, nullptr);
     }
 
     void didSetMatrix(const SkMatrix& matrix) override
     {
         Interceptor interceptor(this);
         this->SkCanvas::didSetMatrix(matrix);
     }
 
     void didConcat(const SkMatrix& matrix) override
     {
@@ skipping 16 matching lines @@
     void willRestore() override
     {
         Interceptor interceptor(this);
         this->SkCanvas::willRestore();
     }
 };
 
 } // namespace blink
 
 #endif // InterceptingCanvas_h