Tweak PaintInvalidationReasons

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

 /*
  * Copyright (C) 2012 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 564 matching lines @@
   }
 
   column_heights_changed_ = false;
   InvalidateColumnSets();
   UpdateLayout();
   ValidateColumnSets();
 }
 
 void LayoutMultiColumnFlowThread::ColumnRuleStyleDidChange() {
   for (LayoutMultiColumnSet* column_set = FirstMultiColumnSet(); column_set;
-       column_set = column_set->NextSiblingMultiColumnSet())
-    column_set->SetShouldDoFullPaintInvalidation(kPaintInvalidationStyleChange);
+       column_set = column_set->NextSiblingMultiColumnSet()) {
+    column_set->SetShouldDoFullPaintInvalidation(
+        PaintInvalidationReason::kStyle);
+  }
 }
 
 bool LayoutMultiColumnFlowThread::RemoveSpannerPlaceholderIfNoLongerValid(
     LayoutBox* spanner_object_in_flow_thread) {
   DCHECK(spanner_object_in_flow_thread->SpannerPlaceholder());
   if (DescendantIsValidColumnSpanner(spanner_object_in_flow_thread))
     return false;  // Still a valid spanner.
 
   // No longer a valid spanner. Get rid of the placeholder.
   DestroySpannerPlaceholder(
@@ skipping 814 matching lines @@
     const {
   return MultiColumnLayoutState(last_set_worked_on_);
 }
 
 void LayoutMultiColumnFlowThread::RestoreMultiColumnLayoutState(
     const MultiColumnLayoutState& state) {
   last_set_worked_on_ = state.ColumnSet();
 }
 
 }  // namespace blink