Fixed clip resize for document.rootScroller with inertTopControls

third_party/WebKit/Source/core/layout/compositing/CompositingInputsUpdater.cpp

Index: third_party/WebKit/Source/core/layout/compositing/CompositingInputsUpdater.cpp
diff --git a/third_party/WebKit/Source/core/layout/compositing/CompositingInputsUpdater.cpp b/third_party/WebKit/Source/core/layout/compositing/CompositingInputsUpdater.cpp
index 1c567e638d648337bec4ec130acd580c7f999139..0d99d6ec13587e972ae7afb0114d6f00105696c6 100644
--- a/third_party/WebKit/Source/core/layout/compositing/CompositingInputsUpdater.cpp
+++ b/third_party/WebKit/Source/core/layout/compositing/CompositingInputsUpdater.cpp
@@ -5,12 +5,14 @@
 #include "core/layout/compositing/CompositingInputsUpdater.h"
 
 #include "core/dom/Document.h"
+#include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/layout/LayoutBlock.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/CompositedLayerMapping.h"
 #include "core/layout/compositing/PaintLayerCompositor.h"
 #include "core/page/scrolling/RootScrollerController.h"
+#include "core/page/scrolling/TopDocumentRootScrollerController.h"
 #include "core/paint/PaintLayer.h"
 #include "platform/tracing/TraceEvent.h"
 
@@ -239,6 +241,13 @@ void CompositingInputsUpdater::updateRecursive(PaintLayer* layer,
   if (layer->layoutObject()->hasClipPath())
     info.hasAncestorWithClipPath = true;
 
+  layer->setIsGlobalRootScroller(layer ==
+                                 layer->layoutObject()
+                                     ->document()
+                                     .frameHost()
+                                     ->globalRootScrollerController()
+                                     .rootScrollerPaintLayer());
+
   bool hasDescendantWithClipPath = false;
   bool hasNonIsolatedDescendantWithBlendMode = false;
   bool hasRootScrollerAsDescendant = false;