Reland of Add 'WithoutGeometryChange' variants of paint invalidation flag setters

third_party/WebKit/Source/core/layout/LayoutObject.h

Index: third_party/WebKit/Source/core/layout/LayoutObject.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.h b/third_party/WebKit/Source/core/layout/LayoutObject.h
index f9a49f8c9e2b91e4a48cc38a96257f6438356ad7..79b65ea12f6661095f937a0e57d6fd3205c35ddc 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.h
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.h
@@ -1645,6 +1645,8 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
   }
   void setShouldDoFullPaintInvalidation(
       PaintInvalidationReason = PaintInvalidationFull);
+  void setShouldDoFullPaintInvalidationWithoutGeometryChange(
+      PaintInvalidationReason = PaintInvalidationFull);
   void clearShouldDoFullPaintInvalidation() {
     m_bitfields.setFullPaintInvalidationReason(PaintInvalidationNone);
   }
@@ -1655,12 +1657,17 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
     return m_bitfields.mayNeedPaintInvalidation();
   }
   void setMayNeedPaintInvalidation();
+  void setMayNeedPaintInvalidationWithoutGeometryChange();
 
   bool mayNeedPaintInvalidationSubtree() const {
     return m_bitfields.mayNeedPaintInvalidationSubtree();
   }
   void setMayNeedPaintInvalidationSubtree();
 
+  bool needsPaintOffsetAndVisualRectUpdate() const {
+    return m_bitfields.needsPaintOffsetAndVisualRectUpdate();
+  }
+
   bool mayNeedPaintInvalidationAnimatedBackgroundImage() const {
     return m_bitfields.mayNeedPaintInvalidationAnimatedBackgroundImage();
   }
@@ -1675,9 +1682,7 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
       const PaintInvalidationState&) const;
 
   bool shouldCheckForPaintInvalidation() const {
-    return mayNeedPaintInvalidation() || shouldDoFullPaintInvalidation() ||
-           shouldInvalidateSelection() ||
-           m_bitfields.childShouldCheckForPaintInvalidation();
+    return mayNeedPaintInvalidation() || shouldDoFullPaintInvalidation();
   }
 
   virtual LayoutRect viewRect() const;
@@ -2014,7 +2019,8 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
 #if DCHECK_IS_ON()
   virtual bool paintInvalidationStateIsDirty() const {
     return backgroundChangedSinceLastPaintInvalidation() ||
-           shouldCheckForPaintInvalidation();
+           shouldCheckForPaintInvalidation() || shouldInvalidateSelection() ||
+           needsPaintOffsetAndVisualRectUpdate();
   }
 #endif
 
@@ -2099,6 +2105,7 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
   inline void markAncestorsForOverflowRecalcIfNeeded();
 
   inline void markAncestorsForPaintInvalidation();
+  inline void setNeedsPaintOffsetAndVisualRectUpdate();
 
   inline void invalidateContainerPreferredLogicalWidths();
 
@@ -2195,10 +2202,10 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
           m_selfNeedsOverflowRecalcAfterStyleChange(false),
           m_childNeedsOverflowRecalcAfterStyleChange(false),
           m_preferredLogicalWidthsDirty(false),
-          m_childShouldCheckForPaintInvalidation(false),
           m_mayNeedPaintInvalidation(false),
           m_mayNeedPaintInvalidationSubtree(false),
           m_mayNeedPaintInvalidationAnimatedBackgroundImage(false),
+          m_needsPaintOffsetAndVisualRectUpdate(false),
           m_shouldInvalidateSelection(false),
           m_floating(false),
           m_isAnonymous(!node),
@@ -2297,13 +2304,13 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
     ADD_BOOLEAN_BITFIELD(preferredLogicalWidthsDirty,
                          PreferredLogicalWidthsDirty);
 
-    ADD_BOOLEAN_BITFIELD(childShouldCheckForPaintInvalidation,
-                         ChildShouldCheckForPaintInvalidation);
     ADD_BOOLEAN_BITFIELD(mayNeedPaintInvalidation, MayNeedPaintInvalidation);
     ADD_BOOLEAN_BITFIELD(mayNeedPaintInvalidationSubtree,
                          MayNeedPaintInvalidationSubtree);
     ADD_BOOLEAN_BITFIELD(mayNeedPaintInvalidationAnimatedBackgroundImage,
                          MayNeedPaintInvalidationAnimatedBackgroundImage);
+    ADD_BOOLEAN_BITFIELD(needsPaintOffsetAndVisualRectUpdate,
+                         NeedsPaintOffsetAndVisualRectUpdate);
     ADD_BOOLEAN_BITFIELD(shouldInvalidateSelection, ShouldInvalidateSelection);
 
     // This boolean is the cached value of 'float'