[LayoutNG] Move NGInlineNode data to NGInlineNodeData.

third_party/WebKit/Source/core/layout/ng/inline/ng_inline_node_test.cc

Index: third_party/WebKit/Source/core/layout/ng/inline/ng_inline_node_test.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_node_test.cc b/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_node_test.cc
index 13e6616a9f33bfe1ce274991d538113b3e227fbf..200ebd012e0336587597c77a91ec9a75365a0506 100644
--- a/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_node_test.cc
+++ b/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_node_test.cc
@@ -22,33 +22,34 @@ class NGInlineNodeForTest : public NGInlineNode {
  public:
   using NGInlineNode::NGInlineNode;
 
-  String& Text() { return text_content_; }
-  Vector<NGInlineItem>& Items() { return items_; }
+  String& Text() { return MutableData().text_content_; }
+  Vector<NGInlineItem>& Items() { return MutableData().items_; }
 
   void Append(const String& text,
               const ComputedStyle* style = nullptr,
               LayoutObject* layout_object = nullptr) {
-    unsigned start = text_content_.length();
-    text_content_.Append(text);
-    items_.push_back(NGInlineItem(NGInlineItem::kText, start,
-                                  start + text.length(), style, layout_object));
+    unsigned start = Data().text_content_.length();
+    MutableData().text_content_.Append(text);
+    MutableData().items_.push_back(NGInlineItem(NGInlineItem::kText, start,
+                                                start + text.length(), style,
+                                                layout_object));
   }
 
   void Append(UChar character) {
-    text_content_.Append(character);
-    unsigned end = text_content_.length();
-    items_.push_back(
+    MutableData().text_content_.Append(character);
+    unsigned end = Data().text_content_.length();
+    MutableData().items_.push_back(
         NGInlineItem(NGInlineItem::kBidiControl, end - 1, end, nullptr));
-    is_bidi_enabled_ = true;
+    MutableData().is_bidi_enabled_ = true;
   }
 
   void ClearText() {
-    text_content_ = String();
-    items_.clear();
+    MutableData().text_content_ = String();
+    MutableData().items_.clear();
   }
 
   void SegmentText() {
-    is_bidi_enabled_ = true;
+    MutableData().is_bidi_enabled_ = true;
     NGInlineNode::SegmentText();
   }