Put transform tree building in DisplayItemPropertyTreeBuilder.

Source/platform/graphics/paint/DisplayItemTransformTree.h

Index: Source/platform/graphics/paint/DisplayItemTransformTree.h
diff --git a/Source/platform/graphics/paint/DisplayItemTransformTree.h b/Source/platform/graphics/paint/DisplayItemTransformTree.h
index 9d97a5a604b716ad85d638dceb3312af3cc5071d..b6f7055048ae467e05550f55991a629ed9e05eee 100644
--- a/Source/platform/graphics/paint/DisplayItemTransformTree.h
+++ b/Source/platform/graphics/paint/DisplayItemTransformTree.h
@@ -20,7 +20,6 @@ namespace blink {
 class PLATFORM_EXPORT DisplayItemTransformTree {
 public:
     using TransformNode = WebDisplayItemTransformTree::TransformNode;
-    using RangeRecord = WebDisplayItemTransformTree::RangeRecord;
     enum : size_t { kInvalidIndex = WebDisplayItemTransformTree::kInvalidIndex };
 
     DisplayItemTransformTree();
@@ -30,21 +29,6 @@ public:
     TransformNode& nodeAt(size_t index) { return m_nodes[index]; }
     const TransformNode& nodeAt(size_t index) const { return m_nodes[index]; }
 
-    size_t rangeRecordCount() const { return m_rangeRecords.size(); }
-    RangeRecord& rangeRecordAt(size_t index) { return m_rangeRecords[index]; }
-    const RangeRecord& rangeRecordAt(size_t index) const { return m_rangeRecords[index]; }
-
-    TransformNode& parentNode(const TransformNode& node)
-    {
-        ASSERT(!node.isRoot());
-        return nodeAt(node.parentNodeIndex);
-    }
-    const TransformNode& parentNode(const TransformNode& node) const
-    {
-        ASSERT(!node.isRoot());
-        return nodeAt(node.parentNodeIndex);
-    }
-
     // Returns the new node index.
     size_t createNewNode(size_t parentNodeIndex, const TransformationMatrix& matrix)
     {
@@ -55,14 +39,8 @@ public:
         return m_nodes.size() - 1;
     }
 
-    void appendRangeRecord(size_t beginIndex, size_t endIndex, size_t nodeIndex, const FloatSize& offset)
-    {
-        m_rangeRecords.append(RangeRecord(beginIndex, endIndex, nodeIndex, offset));
-    }
-
 private:
     Vector<TransformNode> m_nodes;
-    Vector<RangeRecord> m_rangeRecords;
 };
 
 } // namespace blink