Make RootScroller set the outer viewport scroll layer in the compositor

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

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index ddfaa80a4792184737db245305c3f64f192ce01d..ef78bcdc149e5455f6389f305d3cf3819a38b3be 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -605,11 +605,6 @@ Element* Document::rootScroller() const
     return m_rootScrollerController->get();
 }
 
-const Element* Document::effectiveRootScroller() const
-{
-    return m_rootScrollerController->effectiveRootScroller();
-}
-
 bool Document::isViewportScrollCallback(const ScrollStateCallback* callback)
 {
     if (!callback)