Move FrameHost::m_globalRootScrollerController to Page

third_party/WebKit/Source/core/page/Page.h

Index: third_party/WebKit/Source/core/page/Page.h
diff --git a/third_party/WebKit/Source/core/page/Page.h b/third_party/WebKit/Source/core/page/Page.h
index 7ff4642d63a944d60152c2439ba921eda2ebbacc..0f319dbba28d1937b4978bbf2121cec86760bd48 100644
--- a/third_party/WebKit/Source/core/page/Page.h
+++ b/third_party/WebKit/Source/core/page/Page.h
@@ -68,6 +68,7 @@ class ScopedPageSuspender;
 class ScrollingCoordinator;
 class Settings;
 class SpellCheckerClient;
+class TopDocumentRootScrollerController;
 class ValidationMessageClient;
 class VisualViewport;
 class WebLayerTreeView;
@@ -194,6 +195,8 @@ class CORE_EXPORT Page final : public GarbageCollectedFinalized<Page>,
   EventHandlerRegistry& eventHandlerRegistry();
   const EventHandlerRegistry& eventHandlerRegistry() const;
 
+  TopDocumentRootScrollerController& globalRootScrollerController() const;
+
   VisualViewport& visualViewport();
   const VisualViewport& visualViewport() const;
 
@@ -284,6 +287,8 @@ class CORE_EXPORT Page final : public GarbageCollectedFinalized<Page>,
   Member<ScrollingCoordinator> m_scrollingCoordinator;
   const Member<BrowserControls> m_browserControls;
   const Member<EventHandlerRegistry> m_eventHandlerRegistry;
+  const Member<TopDocumentRootScrollerController>
+      m_globalRootScrollerController;
   const Member<VisualViewport> m_visualViewport;
 
   // Typically, the main frame and Page should both be owned by the embedder,