Avoid false-positives of under-invalidation checking

Source/core/paint/BoxPainter.cpp

 // Copyright 2014 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 "config.h"
 #include "core/paint/BoxPainter.h"
 
 #include "core/HTMLNames.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLFrameOwnerElement.h"
@@ skipping 80 matching lines @@
 void BoxPainter::paintBoxDecorationBackgroundWithRect(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const LayoutRect& paintRect)
 {
     LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutBox, DisplayItem::BoxDecorationBackground, boundsForDrawingRecorder(paintOffset));
     if (recorder.canUseCachedDrawing())
         return;
 
     const ComputedStyle& style = m_layoutBox.styleRef();
     BoxDecorationData boxDecorationData(m_layoutBox);
 
 #if ENABLE(ASSERT)
-    // For now we don't have notification on media buffered range change from media player
-    // and miss paint invalidation on buffered range chagne. crbug.com/484288.
+    // FIXME: For now we don't have notification on media buffered range change from media player
+    // and miss paint invalidation on buffered range change. crbug.com/484288.
     if (style.appearance() == MediaSliderPart)
-        recorder.setSkipUnderInvalidationChecking();
+        recorder.setUnderInvalidationCheckingMode(DrawingDisplayItem::DontCheck);
 #endif
 
     // FIXME: Should eventually give the theme control over whether the box shadow should paint, since controls could have
     // custom shadows of their own.
     if (!m_layoutBox.boxShadowShouldBeAppliedToBackground(boxDecorationData.bleedAvoidance))
         paintBoxShadow(paintInfo, paintRect, style, Normal);
 
     GraphicsContextStateSaver stateSaver(*paintInfo.context, false);
     if (bleedAvoidanceIsClipping(boxDecorationData.bleedAvoidance)) {
 
@@ skipping 2182 matching lines @@
 
     FloatPoint secondQuad[4];
     secondQuad[0] = quad[0];
     secondQuad[1] = FloatPoint(quad[0].x() - r1 * cx, quad[0].y() - r1 * cy);
     secondQuad[2] = quad[2];
     secondQuad[3] = quad[3];
     graphicsContext->clipPolygon(4, secondQuad, !secondEdgeMatches);
 }
 
 } // namespace blink