Set ComputedStyle on Node and use that in buildOwnLayout()

third_party/WebKit/Source/core/dom/Element.cpp

Index: third_party/WebKit/Source/core/dom/Element.cpp
diff --git a/third_party/WebKit/Source/core/dom/Element.cpp b/third_party/WebKit/Source/core/dom/Element.cpp
index a70da0b7f8cd17c79bc6ff87a8f3bde279ee877f..ec1d785b984073011c31023135b38386cf0e0cee 100644
--- a/third_party/WebKit/Source/core/dom/Element.cpp
+++ b/third_party/WebKit/Source/core/dom/Element.cpp
@@ -1828,10 +1828,8 @@ StyleRecalcChange Element::recalcOwnStyle(StyleRecalcChange change)
     }
 
     if (localChange == Reattach) {
-        // TODO(nainar): Remove the style parameter being passed into buildLayoutTree().
-        // ComputedStyle will now be stored on Node and accessed in buildLayoutTree()
-        // using mutableComputedStyle().
-        return buildLayoutTree(*newStyle);
+        setComputedStyle(newStyle);
+        return buildLayoutTree();
     }
 
     DCHECK(oldStyle);
@@ -1870,10 +1868,10 @@ StyleRecalcChange Element::recalcOwnStyle(StyleRecalcChange change)
     return localChange;
 }
 
-StyleRecalcChange Element::buildLayoutTree(ComputedStyle& newStyle)
+StyleRecalcChange Element::buildLayoutTree()
 {
     AttachContext reattachContext;
-    reattachContext.resolvedStyle = &newStyle;
+    reattachContext.resolvedStyle = mutableComputedStyle();
     bool layoutObjectWillChange = needsAttach() || layoutObject();
     reattachLayoutTree(reattachContext);
     if (layoutObjectWillChange || layoutObject())