Invalidate caret during paint invalidation

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 6a4a5b07426a76c3decd8b6bec230ff82b425a26..2f6db75ba68c8609dee38693ea31c6606922da3a 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.h
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.h
@@ -1641,7 +1641,7 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
     m_bitfields.setFullPaintInvalidationReason(PaintInvalidationNone);
   }
 
-  void clearPaintInvalidationFlags();
+  virtual void clearPaintInvalidationFlags();
 
   bool mayNeedPaintInvalidation() const {
     return m_bitfields.mayNeedPaintInvalidation();
@@ -1719,6 +1719,9 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
     void setShouldDoFullPaintInvalidation(PaintInvalidationReason reason) {
       m_layoutObject.setShouldDoFullPaintInvalidation(reason);
     }
+    void setMayNeedPaintInvalidation() {
+      m_layoutObject.setMayNeedPaintInvalidation();
+    }
     void setBackgroundChangedSinceLastPaintInvalidation() {
       m_layoutObject.setBackgroundChangedSinceLastPaintInvalidation();
     }