Move PreviousBoxGeometries from BoxPaintInvalidator into LayoutBox::m_rareData

third_party/WebKit/Source/core/paint/BoxPaintInvalidator.h

 // 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.
 
 #ifndef BoxPaintInvalidator_h
 #define BoxPaintInvalidator_h
 
 #include "platform/graphics/PaintInvalidationReason.h"
 #include "wtf/Allocator.h"
 
@@ skipping 22 matching lines @@
       const LayoutRect& oldLayoutOverflow,
       const LayoutRect& newLayoutOverflow);
   void invalidateScrollingContentsBackgroundIfNeeded();
 
   PaintInvalidationReason computePaintInvalidationReason();
 
   bool incrementallyInvalidatePaint(PaintInvalidationReason,
                                     const LayoutRect& oldRect,
                                     const LayoutRect& newRect);
 
-  bool needsToSavePreviousBoxGeometries();
+  bool needsToSavePreviousContentBoxSizeOrLayoutOverflowRect();
   void savePreviousBoxGeometriesIfNeeded();
-  LayoutRect previousContentBoxRect();
-  LayoutRect previousLayoutOverflowRect();
 
   const LayoutBox& m_box;
   const PaintInvalidatorContext& m_context;
 };
 
 }  // namespace blink
 
 #endif