Rename FrameView fields and methods *Widget* to ...FrameViewBase...

third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp

Index: third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp
diff --git a/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp b/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp
index 970e26a12dd3a76062c2a489a7c45ecbf0bbde5c..94ac104c84e37d58dcaaed013cd59f642f049ea8 100644
--- a/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp
+++ b/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp
@@ -996,7 +996,8 @@ Region ScrollingCoordinator::computeShouldHandleScrollGestureOnMainThreadRegion(
     }
   }
 
-  if (const FrameView::ChildrenWidgetSet* children = frameView->children()) {
+  if (const FrameView::ChildrenFrameViewBaseSet* children =
+          frameView->children()) {
     for (const Member<FrameViewBase>& child : *children) {
       if (!(*child).isPluginView())
         continue;