Back PaintRecord with PaintOpBuffer instead of SkPicture

third_party/WebKit/Source/platform/graphics/paint/DisplayItem.h

Index: third_party/WebKit/Source/platform/graphics/paint/DisplayItem.h
diff --git a/third_party/WebKit/Source/platform/graphics/paint/DisplayItem.h b/third_party/WebKit/Source/platform/graphics/paint/DisplayItem.h
index a9afcd15e089043f595870ddfccb7224403b832c..d5f344e605f4b55ad17dfdc5ccdad84f39636a49 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/DisplayItem.h
+++ b/third_party/WebKit/Source/platform/graphics/paint/DisplayItem.h
@@ -17,8 +17,6 @@
 #include "platform/wtf/text/WTFString.h"
 #endif
 
-class SkPictureGpuAnalyzer;
-
 namespace blink {
 
 class GraphicsContext;
@@ -337,7 +335,7 @@ class PLATFORM_EXPORT DisplayItem {
   virtual bool DrawsContent() const { return false; }
 
   // Override to implement specific analysis strategies.
-  virtual void AnalyzeForGpuRasterization(SkPictureGpuAnalyzer&) const {}
+  virtual int NumberOfSlowPaths() const { return 0; }
 
 #ifndef NDEBUG
   static WTF::String TypeAsDebugString(DisplayItem::Type);