Refactor PropertyTreeState to use RefPtrs

third_party/WebKit/Source/core/paint/PaintPropertyTreePrinter.cpp

 // Copyright 2016 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 "core/paint/PaintPropertyTreePrinter.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutPart.h"
 #include "core/layout/LayoutView.h"
@@ skipping 398 matching lines @@
     static const PropertyTreeNode* getRoot(const PropertyTreeNode* node)
     {
         while (node && !node->isRoot())
             node = node->parent();
         return node;
     }
 
     void writeFrameViewPaintPropertyNodes(const FrameView& frameView)
     {
         if (const auto* contentsState = frameView.totalPropertyTreeStateForContents()) {
-            if (const auto* root = getRoot(contentsState->transform))
+            if (const auto* root = getRoot(contentsState->transform()))
                 writePaintPropertyNode(*root, &frameView, "rootTransform");
-            if (const auto* root = getRoot(contentsState->clip))
+            if (const auto* root = getRoot(contentsState->clip()))
                 writePaintPropertyNode(*root, &frameView, "rootClip");
-            if (const auto* root = getRoot(contentsState->effect))
+            if (const auto* root = getRoot(contentsState->effect()))
                 writePaintPropertyNode(*root, &frameView, "rootEffect");
-            if (const auto* root = getRoot(contentsState->scroll))
+            if (const auto* root = getRoot(contentsState->scroll()))
                 writePaintPropertyNode(*root, &frameView, "rootScroll");
         }
         TransformPaintPropertyNode* preTranslation = frameView.preTranslation();
         if (preTranslation)
             writePaintPropertyNode(*preTranslation, &frameView, "preTranslation");
         TransformPaintPropertyNode* scrollTranslation = frameView.scrollTranslation();
         if (scrollTranslation)
             writePaintPropertyNode(*scrollTranslation, &frameView, "scrollTranslation");
         ClipPaintPropertyNode* contentClip = frameView.contentClip();
         if (contentClip)
@@ skipping 114 matching lines @@
 
 String paintPropertyTreeGraph(const blink::FrameView& frameView)
 {
     blink::PaintPropertyTreeGraphBuilder builder;
     StringBuilder stringBuilder;
     builder.generateTreeGraph(frameView, stringBuilder);
     return stringBuilder.toString();
 }
 
 #endif