Use sk_sp-based picture recording APIs

third_party/WebKit/public/platform/WebDisplayItemList.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebDisplayItemList_h
 #define WebDisplayItemList_h
 
 #include "WebBlendMode.h"
 #include "WebFloatPoint.h"
 #include "WebFloatRect.h"
 #include "WebRect.h"
 #include "WebSize.h"
 #include "WebVector.h"
 
 #include "third_party/skia/include/core/SkColorFilter.h"
 #include "third_party/skia/include/core/SkRRect.h"
+#include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "third_party/skia/include/core/SkXfermode.h"
 #include "third_party/skia/include/utils/SkMatrix44.h"
 
 class SkImageFilter;
 class SkMatrix44;
 class SkPicture;
 
 namespace cc {
 class FilterOperations;
 }
 
 namespace blink {
 
 // An ordered list of items representing content to be rendered (stored in
 // 'drawing' items) and operations to be performed when rendering this content
 // (stored in 'clip', 'transform', 'filter', etc...). For more details see:
 // http://dev.chromium.org/blink/slimming-paint.
 class WebDisplayItemList {
 public:
     virtual ~WebDisplayItemList() { }
 
-    // This grabs a ref on the passed-in SkPicture.
-    virtual void appendDrawingItem(const WebRect& visualRect, const SkPicture*) { }
+    virtual void appendDrawingItem(const WebRect& visualRect, sk_sp<const SkPicture>) { }
 
     virtual void appendClipItem(const WebRect& visualRect, const WebRect& clipRect, const WebVector<SkRRect>& roundedClipRects) { }
     virtual void appendEndClipItem(const WebRect& visualRect) { }
     virtual void appendClipPathItem(const WebRect& visualRect, const SkPath&, SkRegion::Op, bool antialias) { }
     virtual void appendEndClipPathItem(const WebRect& visualRect) { }
     virtual void appendFloatClipItem(const WebRect& visualRect, const WebFloatRect& clipRect) { }
     virtual void appendEndFloatClipItem(const WebRect& visualRect) { }
     virtual void appendTransformItem(const WebRect& visualRect, const SkMatrix44&) { }
     virtual void appendEndTransformItem(const WebRect& visualRect) { }
     virtual void appendCompositingItem(const WebRect& visualRect, float opacity,
         SkXfermode::Mode, SkRect* bounds, SkColorFilter*) { }
     virtual void appendEndCompositingItem(const WebRect& visualRect) { }
 
     // TODO(loyso): This should use CompositorFilterOperation. crbug.com/584551
     virtual void appendFilterItem(const WebRect& visualRect, const cc::FilterOperations&, const WebFloatRect& bounds) { }
     virtual void appendEndFilterItem(const WebRect& visualRect) { }
 
     // Scroll containers are identified by an opaque pointer.
     using ScrollContainerId = const void*;
     virtual void appendScrollItem(const WebRect& visualRect, const WebSize& scrollOffset, ScrollContainerId) { }
     virtual void appendEndScrollItem(const WebRect& visualRect) { }
 };
 
 } // namespace blink
 
 #endif // WebDisplayItemList_h