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

third_party/WebKit/Source/platform/scroll/ScrollableArea.cpp

 /*
  * Copyright (c) 2010, Google Inc. All rights reserved.
  * Copyright (C) 2008, 2011 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 468 matching lines @@
     CompositorAnimationTimeline* timeline) {
   if (ProgrammaticScrollAnimator* programmaticScrollAnimator =
           existingProgrammaticScrollAnimator())
     programmaticScrollAnimator->layerForCompositedScrollingDidChange(timeline);
   if (ScrollAnimatorBase* scrollAnimator = existingScrollAnimator())
     scrollAnimator->layerForCompositedScrollingDidChange(timeline);
 }
 
 bool ScrollableArea::scheduleAnimation() {
   if (HostWindow* window = getHostWindow()) {
-    window->scheduleAnimation(getWidget());
+    window->scheduleAnimation(getFrameViewBase());
     return true;
   }
   return false;
 }
 
 void ScrollableArea::serviceScrollAnimations(double monotonicTime) {
   bool requiresAnimationService = false;
   if (ScrollAnimatorBase* scrollAnimator = existingScrollAnimator()) {
     scrollAnimator->tickAnimation(monotonicTime);
     if (scrollAnimator->hasAnimationThatRequiresService())
@@ skipping 167 matching lines @@
                                         offset.y() - scrollOrigin().y());
   setScrollOffset(newOffset, CompositorScroll);
 }
 
 DEFINE_TRACE(ScrollableArea) {
   visitor->trace(m_scrollAnimator);
   visitor->trace(m_programmaticScrollAnimator);
 }
 
 }  // namespace blink