Use sk_sp-based picture recording APIs

cc/blink/web_display_item_list_impl.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 CC_BLINK_WEB_DISPLAY_ITEM_LIST_IMPL_H_
 #define CC_BLINK_WEB_DISPLAY_ITEM_LIST_IMPL_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "cc/blink/cc_blink_export.h"
@@ skipping 24 matching lines @@
 namespace cc_blink {
 
 class WebDisplayItemListImpl : public blink::WebDisplayItemList {
  public:
   CC_BLINK_EXPORT WebDisplayItemListImpl();
   CC_BLINK_EXPORT explicit WebDisplayItemListImpl(
       cc::DisplayItemList* display_list);
   ~WebDisplayItemListImpl() override;
 
   // blink::WebDisplayItemList implementation.
-  void appendDrawingItem(const blink::WebRect&, const SkPicture*) override;
+  void appendDrawingItem(const blink::WebRect&,
+                         sk_sp<const SkPicture>) override;

[reed1, 2016/03/21 13:07:55]

At some point it will be awkward to still have some 'const picture' when skia is
definitely moving to just 'picture'.

[f(malita), 2016/03/21 14:27:49]

Yup, there's a de-constification CL on my todo list.  That'll be part of
switching to the sk_sp drawing API (which takes non-const picture sksps).

   void appendClipItem(
       const blink::WebRect& visual_rect,
       const blink::WebRect& clip_rect,
       const blink::WebVector<SkRRect>& rounded_clip_rects) override;
   void appendEndClipItem(const blink::WebRect& visual_rect) override;
   void appendClipPathItem(const blink::WebRect& visual_rect,
                           const SkPath& clip_path,
                           SkRegion::Op clip_op,
                           bool antialias) override;
   void appendEndClipPathItem(const blink::WebRect& visual_rect) override;
@@ skipping 20 matching lines @@
 
  private:
   scoped_refptr<cc::DisplayItemList> display_item_list_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDisplayItemListImpl);
 };
 
 }  // namespace cc_blink
 
 #endif  // CC_BLINK_WEB_DISPLAY_ITEM_LIST_IMPL_H_