Resize background-attachment: fixed when inertTopControls is enabled.

third_party/WebKit/Source/core/layout/LayoutView.h

Index: third_party/WebKit/Source/core/layout/LayoutView.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutView.h b/third_party/WebKit/Source/core/layout/LayoutView.h
index a93e2540f79191f9f6fe6b803ad23e2cf4ddd55f..f84961f52961c0b721aecda72e08e0c4293e6b07 100644
--- a/third_party/WebKit/Source/core/layout/LayoutView.h
+++ b/third_party/WebKit/Source/core/layout/LayoutView.h
@@ -182,8 +182,6 @@ class CORE_EXPORT LayoutView final : public LayoutBlockFlow {
   PaintLayerCompositor* compositor();
   bool usesCompositing() const;
 
-  LayoutRect backgroundRect(LayoutBox* backgroundLayoutObject) const;
-
   IntRect documentRect() const;
 
   // LayoutObject that paints the root background has background-images which
@@ -229,6 +227,9 @@ class CORE_EXPORT LayoutView final : public LayoutBlockFlow {
   // It is very likely you do not want to call this method.
   void setShouldDoFullPaintInvalidationForViewAndAllDescendants();
 
+  void setShouldDoFullPaintInvalidationOnResizeIfNeeded(bool widthChanged,
+                                                        bool heightChanged);
+
   // The document scrollbar is always on the right, even in RTL. This is to
   // prevent it from moving around on navigations.
   // TODO(skobes): This is not quite the ideal behavior, see
@@ -273,8 +274,6 @@ class CORE_EXPORT LayoutView final : public LayoutBlockFlow {
   void checkLayoutState();
 #endif
 
-  void setShouldDoFullPaintInvalidationOnResizeIfNeeded();
-
   void updateFromStyle() override;
   bool allowsOverflowClip() const override;