Refactor PaintChunkProperties to use PropertyTreeState

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

Index: third_party/WebKit/Source/platform/graphics/paint/PaintChunkProperties.h
diff --git a/third_party/WebKit/Source/platform/graphics/paint/PaintChunkProperties.h b/third_party/WebKit/Source/platform/graphics/paint/PaintChunkProperties.h
index 2f095e49575a5243d506470509a6bdc295a2ad9d..3c01052709ec1274e6e161d9b1e9914e51400f29 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/PaintChunkProperties.h
+++ b/third_party/WebKit/Source/platform/graphics/paint/PaintChunkProperties.h
@@ -5,10 +5,7 @@
 #ifndef PaintChunkProperties_h
 #define PaintChunkProperties_h
 
-#include "platform/graphics/paint/ClipPaintPropertyNode.h"
-#include "platform/graphics/paint/EffectPaintPropertyNode.h"
-#include "platform/graphics/paint/ScrollPaintPropertyNode.h"
-#include "platform/graphics/paint/TransformPaintPropertyNode.h"
+#include "platform/graphics/paint/PropertyTreeState.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
 #include <iosfwd>
@@ -27,13 +24,15 @@ namespace blink {
 struct PaintChunkProperties {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
-  PaintChunkProperties() : backfaceHidden(false) {}
+  PaintChunkProperties(const PropertyTreeState& state)
+      : propertyTreeState(state), backfaceHidden(false) {}
+
+  PaintChunkProperties()
+      : propertyTreeState(nullptr, nullptr, nullptr, nullptr),
+        backfaceHidden(false) {}
 
   // TODO(pdr): Refactor these to use PropertyTreeState.

[pdr., 2016/12/13 18:27:10]

Please remove this comment

[chrishtr, 2016/12/13 21:03:40]

Done.

-  RefPtr<const TransformPaintPropertyNode> transform;
-  RefPtr<const ClipPaintPropertyNode> clip;
-  RefPtr<const EffectPaintPropertyNode> effect;
-  RefPtr<const ScrollPaintPropertyNode> scroll;
+  PropertyTreeState propertyTreeState;
   bool backfaceHidden;
 };
 
@@ -41,9 +40,7 @@ struct PaintChunkProperties {
 // crawling the entire property tree to compute.
 inline bool operator==(const PaintChunkProperties& a,
                        const PaintChunkProperties& b) {
-  return a.transform.get() == b.transform.get() &&
-         a.clip.get() == b.clip.get() && a.effect.get() == b.effect.get() &&
-         a.scroll.get() == b.scroll.get() &&
+  return a.propertyTreeState == b.propertyTreeState &&
          a.backfaceHidden == b.backfaceHidden;
 }