Replace LayoutPart::GetFrameViewBase with GetNodeFrameView

third_party/WebKit/Source/core/input/ScrollManager.cpp

 // Copyright 2016 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/input/ScrollManager.h"
 
 #include <memory>
 #include "core/dom/DOMNodeIds.h"
 #include "core/events/GestureEvent.h"
 #include "core/frame/BrowserControls.h"
@@ skipping 410 matching lines @@
 
 WebInputEventResult ScrollManager::PassScrollGestureEvent(
     const WebGestureEvent& gesture_event,
     LayoutObject* layout_object) {
   DCHECK(gesture_event.IsScrollEvent());
 
   if (!last_gesture_scroll_over_frame_view_base_ || !layout_object ||
       !layout_object->IsLayoutPart())
     return WebInputEventResult::kNotHandled;
 
-  FrameViewBase* frame_view_base =
-      ToLayoutPart(layout_object)->GetFrameViewBase();
+  FrameView* frame_view = ToLayoutPart(layout_object)->ChildFrameView();
 
-  if (!frame_view_base || !frame_view_base->IsFrameView())
+  if (!frame_view)
     return WebInputEventResult::kNotHandled;
 
-  return ToFrameView(frame_view_base)
-      ->GetFrame()
-      .GetEventHandler()
-      .HandleGestureScrollEvent(gesture_event);
+  return frame_view->GetFrame().GetEventHandler().HandleGestureScrollEvent(
+      gesture_event);
 }
 
 bool ScrollManager::IsViewportScrollingElement(const Element& element) const {
   // The root scroller is the one Element on the page designated to perform
   // "viewport actions" like browser controls movement and overscroll glow.
   if (!frame_->GetDocument())
     return false;
 
   return frame_->GetDocument()->GetRootScrollerController().ScrollsViewport(
       element);
@@ skipping 179 matching lines @@
                                 &should_update_capture)) {
       if (should_update_capture)
         scrollbar_handling_scroll_gesture_ = scrollbar;
       return true;
     }
   }
   return false;
 }
 
 }  // namespace blink