Rename platform/Widget to platform/FrameViewBase in core.

third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights
  * reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@gmail.com>
@@ skipping 1866 matching lines @@
   if (!frame->settings()->getViewportEnabled())
     return false;
 
   const TopDocumentRootScrollerController& controller =
       layoutBox()->document().frameHost()->globalRootScrollerController();
 
   return RootScrollerUtil::scrollableAreaForRootScroller(
              controller.globalRootScroller()) == this;
 }
 
-Widget* PaintLayerScrollableArea::getWidget() {
+FrameViewBase* PaintLayerScrollableArea::getWidget() {
   return box().frame()->view();
 }
 
 void PaintLayerScrollableArea::resetRebuildScrollbarLayerFlags() {
   m_rebuildHorizontalScrollbarLayer = false;
   m_rebuildVerticalScrollbarLayer = false;
 }
 
 CompositorAnimationHost* PaintLayerScrollableArea::compositorAnimationHost()
     const {
@@ skipping 216 matching lines @@
 
 void PaintLayerScrollableArea::DelayScrollOffsetClampScope::
     clampScrollableAreas() {
   for (auto& scrollableArea : *s_needsClamp)
     scrollableArea->clampScrollOffsetAfterOverflowChange();
   delete s_needsClamp;
   s_needsClamp = nullptr;
 }
 
 }  // namespace blink