Revert of Back PaintRecord with PaintOpBuffer instead of SkPicture

third_party/WebKit/Source/platform/graphics/paint/DisplayItem.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 DisplayItem_h
 #define DisplayItem_h
 
 #include "platform/PlatformExport.h"
 #include "platform/graphics/ContiguousContainer.h"
 #include "platform/graphics/paint/DisplayItemClient.h"
 #include "platform/wtf/Allocator.h"
 #include "platform/wtf/Assertions.h"
 #include "platform/wtf/Noncopyable.h"
 
 #ifndef NDEBUG
 #include "platform/wtf/text/StringBuilder.h"
 #include "platform/wtf/text/WTFString.h"
 #endif
 
+class SkPictureGpuAnalyzer;
+
 namespace blink {
 
 class GraphicsContext;
 class IntRect;
 class WebDisplayItemList;
 
 class PLATFORM_EXPORT DisplayItem {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
  public:
@@ skipping 298 matching lines @@
 
   // True if the client is non-null. Because m_client is const, this should
   // never be false except when we explicitly create a tombstone/"dead display
   // item" as part of moving an item from one list to another (see:
   // DisplayItemList::appendByMoving).
   bool HasValidClient() const { return client_; }
 
   virtual bool DrawsContent() const { return false; }
 
   // Override to implement specific analysis strategies.
-  virtual int NumberOfSlowPaths() const { return 0; }
+  virtual void AnalyzeForGpuRasterization(SkPictureGpuAnalyzer&) const {}
 
 #ifndef NDEBUG
   static WTF::String TypeAsDebugString(DisplayItem::Type);
   const WTF::String ClientDebugString() const { return client_debug_string_; }
   void SetClientDebugString(const WTF::String& s) { client_debug_string_ = s; }
   WTF::String AsDebugString() const;
   virtual void DumpPropertiesAsDebugString(WTF::StringBuilder&) const;
 #endif
 
  private:
@@ skipping 51 matching lines @@
   bool IsEndAndPairedWith(DisplayItem::Type other_type) const override = 0;
 #endif
 
  private:
   bool IsEnd() const final { return true; }
 };
 
 }  // namespace blink
 
 #endif  // DisplayItem_h