Fixed clip resize for document.rootScroller with inertTopControls

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

 // Copyright 2014 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/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"
 
 namespace blink {
 
 CompositingInputsUpdater::CompositingInputsUpdater(PaintLayer* rootLayer)
     : m_geometryMap(UseTransforms), m_rootLayer(rootLayer) {}
 
 CompositingInputsUpdater::~CompositingInputsUpdater() {}
 
@@ skipping 208 matching lines @@
 
   if (layer->scrollsOverflow())
     info.lastScrollingAncestor = layer;
 
   if (layer->layoutObject()->hasClipRelatedProperty())
     info.hasAncestorWithClipRelatedProperty = true;
 
   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;
   for (PaintLayer* child = layer->firstChild(); child;
        child = child->nextSibling()) {
     updateRecursive(child, updateType, info);
 
     hasRootScrollerAsDescendant |= child->hasRootScrollerAsDescendant() ||
                                    (child ==
                                     child->layoutObject()
@@ skipping 24 matching lines @@
   ASSERT(!layer->needsCompositingInputsUpdate());
 
   for (PaintLayer* child = layer->firstChild(); child;
        child = child->nextSibling())
     assertNeedsCompositingInputsUpdateBitsCleared(child);
 }
 
 #endif
 
 }  // namespace blink