Remove fast path checks that look into the Groups in ComputedStyle

third_party/WebKit/Source/core/dom/Node.h

Index: third_party/WebKit/Source/core/dom/Node.h
diff --git a/third_party/WebKit/Source/core/dom/Node.h b/third_party/WebKit/Source/core/dom/Node.h
index d0ee8a6e2523a6946908c339f58cf6fc054cf7c1..a60069546e37cabb3fe403d5508fbe773a19a2c3 100644
--- a/third_party/WebKit/Source/core/dom/Node.h
+++ b/third_party/WebKit/Source/core/dom/Node.h
@@ -97,21 +97,36 @@ enum class SlotChangeType {
   kChained,
 };
 
-class NodeRareDataBase {
+class NodeLayoutData {
  public:
+  explicit NodeLayoutData(LayoutObject* layout_object)
+      : layout_object_(layout_object) {}
+
   LayoutObject* GetLayoutObject() const { return layout_object_; }
   void SetLayoutObject(LayoutObject* layout_object) {
     layout_object_ = layout_object;
   }
 
+ private:
+  LayoutObject* layout_object_;
+};
+
+class NodeRareDataBase {
+ public:
+  LayoutObject* GetLayoutObject() const {
+    return layout_data_->GetLayoutObject();
+  }
+  void SetLayoutObject(LayoutObject* layout_object) {
+    layout_data_->SetLayoutObject(layout_object);
+  }
+
  protected:
-  NodeRareDataBase(LayoutObject* layout_object)
-      : layout_object_(layout_object) {}
+  NodeRareDataBase(LayoutObject* layout_object) {
+    layout_data_ = new NodeLayoutData(layout_object);
+  }
 
  protected:
-  // LayoutObjects are fully owned by their DOM node. See LayoutObject's
-  // LIFETIME documentation section.
-  LayoutObject* layout_object_;
+  NodeLayoutData* layout_data_;
 };
 
 class Node;
@@ -564,13 +579,13 @@ class CORE_EXPORT Node : public EventTarget {
   // have one as well.
   LayoutObject* GetLayoutObject() const {
     return HasRareData() ? data_.rare_data_->GetLayoutObject()
-                         : data_.layout_object_;
+                         : data_.layout_data_->GetLayoutObject();
   }
   void SetLayoutObject(LayoutObject* layout_object) {
     if (HasRareData())
       data_.rare_data_->SetLayoutObject(layout_object);
     else
-      data_.layout_object_ = layout_object;
+      data_.layout_data_->SetLayoutObject(layout_object);
   }
 
   // Use these two methods with caution.
@@ -925,10 +940,10 @@ class CORE_EXPORT Node : public EventTarget {
   Member<Node> next_;
   // When a node has rare data we move the layoutObject into the rare data.
   union DataUnion {
-    DataUnion() : layout_object_(nullptr) {}
+    DataUnion() { layout_data_ = new NodeLayoutData(nullptr); }
     // LayoutObjects are fully owned by their DOM node. See LayoutObject's
     // LIFETIME documentation section.
-    LayoutObject* layout_object_;
+    NodeLayoutData* layout_data_;
     NodeRareDataBase* rare_data_;
   } data_;
 };