Revert of Back PaintRecord with PaintOpBuffer instead of SkPicture

third_party/WebKit/Source/platform/graphics/paint/DrawingDisplayItem.cpp

 // 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.
 
 #include "platform/graphics/paint/DrawingDisplayItem.h"
 
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/paint/PaintCanvas.h"
 #include "public/platform/WebDisplayItemList.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkData.h"
+#include "third_party/skia/include/core/SkPictureAnalyzer.h"
 
 namespace blink {
 
 void DrawingDisplayItem::Replay(GraphicsContext& context) const {
   if (record_)
     context.DrawRecord(record_);
 }
 
 void DrawingDisplayItem::AppendToWebDisplayItemList(
     const IntRect& visual_rect,
     WebDisplayItemList* list) const {
   if (record_)
     list->AppendDrawingItem(visual_rect, record_);
 }
 
 bool DrawingDisplayItem::DrawsContent() const {
   return record_.get();
 }
 
-int DrawingDisplayItem::NumberOfSlowPaths() const {
-  return record_ ? record_->numSlowPaths() : 0;
+void DrawingDisplayItem::AnalyzeForGpuRasterization(
+    SkPictureGpuAnalyzer& analyzer) const {
+  // TODO(enne): Need an SkPictureGpuAnalyzer on PictureRecord.
+  // This is a bit overkill to ToSkPicture a record just to get
+  // numSlowPaths.
+  if (!record_)
+    return;
+  analyzer.analyzePicture(ToSkPicture(record_).get());
 }
 
 #ifndef NDEBUG
 void DrawingDisplayItem::DumpPropertiesAsDebugString(
     StringBuilder& string_builder) const {
   DisplayItem::DumpPropertiesAsDebugString(string_builder);
   if (record_) {
     string_builder.Append(
         String::Format(", rect: [%f,%f %fx%f]", record_->cullRect().x(),
                        record_->cullRect().y(), record_->cullRect().width(),
@@ skipping 67 matching lines @@
 
   if (RecordsEqual(record, other_record))
     return true;
 
   // Sometimes the client may produce different records for the same visual
   // result, which should be treated as equal.
   return BitmapsEqual(std::move(record), std::move(other_record));
 }
 
 }  // namespace blink