Rename "paint invalidation rect" etc. to "visual rect".

third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 480 matching lines @@
 
   PaintInvalidationState newPaintInvalidationState(paintInvalidationState,
                                                    *this);
   if (!shouldCheckForPaintInvalidation(newPaintInvalidationState))
     return;
 
   if (mayNeedPaintInvalidationSubtree())
     newPaintInvalidationState
         .setForceSubtreeInvalidationCheckingWithinContainer();
 
-  LayoutRect previousPaintInvalidationRect =
-      this->previousPaintInvalidationRect();
+  LayoutRect previousVisualRect = this->previousVisualRect();
   LayoutPoint previousPosition = previousPositionFromPaintInvalidationBacking();
   PaintInvalidationReason reason =
       invalidatePaintIfNeeded(newPaintInvalidationState);
   clearPaintInvalidationFlags();
 
   if (previousPosition != previousPositionFromPaintInvalidationBacking())
     newPaintInvalidationState
         .setForceSubtreeInvalidationCheckingWithinContainer();
 
   // TODO(wangxianzhu): Combine this function into LayoutObject::
   // invalidateTreeIfNeeded() when removing the following workarounds.
 
   // TODO(wangxianzhu): This is a workaround for crbug.com/533277. Will remove
   // when we enable paint offset caching.
   if (reason != PaintInvalidationNone && hasPercentageTransform(styleRef()))
     newPaintInvalidationState
         .setForceSubtreeInvalidationCheckingWithinContainer();
 
   // TODO(wangxianzhu): This is a workaround for crbug.com/490725. We don't have
   // enough saved information to do accurate check of clipping change. Will
   // remove when we remove rect-based paint invalidation.
   if (!RuntimeEnabledFeatures::slimmingPaintV2Enabled() &&
-      previousPaintInvalidationRect != this->previousPaintInvalidationRect() &&
+      previousVisualRect != this->previousVisualRect() &&
       !usesCompositedScrolling()
       // Note that isLayoutView() below becomes unnecessary after the launch of
       // root layer scrolling.
       && (hasOverflowClip() || isLayoutView()))
     newPaintInvalidationState
         .setForceSubtreeInvalidationRectUpdateWithinContainer();
 
   newPaintInvalidationState.updateForChildren(reason);
   invalidatePaintOfSubtreesIfNeeded(newPaintInvalidationState);
 }
@@ skipping 840 matching lines @@
   if (rootElementStyle->hasBackground())
     return false;
 
   if (node() != document().firstBodyElement())
     return false;
 
   return true;
 }
 
 }  // namespace blink