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 e70e8f369f78318af07d443bea4bc186a3554e3b..296dcc1e3c65ad0052aad40ea47eae40bf3ecc83 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 "wtf/text/WTFString.h"
 #endif
 
-class SkPictureGpuAnalyzer;
-
 namespace blink {
 
 class GraphicsContext;
@@ -345,7 +343,7 @@ 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);