Put transform tree building in DisplayItemPropertyTreeBuilder.

Source/core/compositing/DisplayListCompositingBuilder.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/compositing/DisplayListCompositingBuilder.h"
 
-#include "platform/graphics/paint/DisplayItemTransformTreeBuilder.h"
+#include "platform/graphics/paint/DisplayItemPropertyTreeBuilder.h"
 
 namespace blink {
 
 void DisplayListCompositingBuilder::build(CompositedDisplayList& compositedDisplayList)
 {
     // TODO(pdr): Properly implement simple layer compositing here.
     // See: https://docs.google.com/document/d/1qF7wpO_lhuxUO6YXKZ3CJuXi0grcb5gKZJBBgnoTd0k/view
 
-    DisplayItemTransformTreeBuilder transformTreeBuilder;
+    DisplayItemPropertyTreeBuilder treeBuilder;
     for (const auto& displayItem : m_displayItemList.displayItems())
-        transformTreeBuilder.processDisplayItem(displayItem);
-    compositedDisplayList.transformTree = transformTreeBuilder.releaseTransformTree();
+        treeBuilder.processDisplayItem(displayItem);
+    compositedDisplayList.transformTree = treeBuilder.releaseTransformTree();
+    // TODO(pdr, jbroman): Also release other trees, and use range records to
+    // construct simple layers.
 }
 
 } // namespace blink