Optimize CompositingRecorder::endCompositing to not need an SkPictureBuilder

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

Index: third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h
diff --git a/third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h b/third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h
index 098edcd43f73603f01cbdd79ba40c56f538b419b..ff6da1fc0b7ddf852ab94f4f00df3a654499ea83 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h
+++ b/third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h
@@ -10,7 +10,6 @@
 #include "platform/graphics/paint/PaintChunk.h"
 #include "platform/graphics/paint/PaintChunkProperties.h"
 #include "wtf/Allocator.h"
-#include "wtf/AutoReset.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/Vector.h"
 
@@ -75,19 +74,6 @@ class PLATFORM_EXPORT PaintChunker final {
   PaintChunkProperties m_currentProperties;
 };
 
-#if DCHECK_IS_ON()
-class DisableNullPaintPropertyChecks {
-  STACK_ALLOCATED();
-  WTF_MAKE_NONCOPYABLE(DisableNullPaintPropertyChecks);
-
- public:
-  DisableNullPaintPropertyChecks();
-
- private:
-  AutoReset<bool> m_disabler;
-};
-#endif  // DCHECK_IS_ON()
-
 }  // namespace blink
 
 #endif  // PaintChunker_h