Tweak PaintInvalidationReasons

third_party/WebKit/Source/core/paint/ViewPaintInvalidator.cpp

 // Copyright 2017 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.
 
 #include "core/paint/ViewPaintInvalidator.h"
 
 #include "core/layout/LayoutView.h"
 #include "core/paint/BoxPaintInvalidator.h"
 #include "platform/geometry/LayoutSize.h"
 
@@ skipping 25 matching lines @@
   LayoutSize old_size = background_box.PreviousSize();
   LayoutSize new_size = background_box.Size();
   const auto& background_layers = view_.StyleRef().BackgroundLayers();
   if ((old_size.Width() != new_size.Width() &&
        LayoutBox::MustInvalidateFillLayersPaintOnWidthChange(
            background_layers)) ||
       (old_size.Height() != new_size.Height() &&
        LayoutBox::MustInvalidateFillLayersPaintOnHeightChange(
            background_layers))) {
     view_.GetMutableForPainting().SetShouldDoFullPaintInvalidation(
-        kPaintInvalidationViewBackground);
+        PaintInvalidationReason::kBackground);
   }
 }
 
 }  // namespace blink