Compile under-invalidation checking in all builds

third_party/WebKit/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 "core/paint/BoxPainter.h"
 
 #include "core/HTMLNames.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/layout/ImageQualityController.h"
@@ skipping 88 matching lines @@
 } // anonymous namespace
 
 void BoxPainter::paintBoxDecorationBackgroundWithRect(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const LayoutRect& paintRect)
 {
     bool paintingOverflowContents = isPaintingBackgroundOfPaintContainerIntoScrollingContentsLayer(&m_layoutBox, paintInfo);
     const ComputedStyle& style = m_layoutBox.styleRef();
 
     Optional<DisplayItemCacheSkipper> cacheSkipper;
     // Disable cache in under-invalidation checking mode for MediaSliderPart because we always paint using the
     // latest data (buffered ranges, current time and duration) which may be different from the cached data.
-    if ((RuntimeEnabledFeatures::slimmingPaintUnderInvalidationCheckingEnabled() && style.appearance() == MediaSliderPart)
+    if ((RuntimeEnabledFeatures::paintUnderInvalidationCheckingEnabled() && style.appearance() == MediaSliderPart)
         // We may paint a delayed-invalidation object before it's actually invalidated. Note this would be handled for
         // us by LayoutObjectDrawingRecorder but we have to use DrawingRecorder as we may use the scrolling contents
         // layer as DisplayItemClient below.
         || m_layoutBox.fullPaintInvalidationReason() == PaintInvalidationDelayedFull) {
         cacheSkipper.emplace(paintInfo.context);
     }
 
     const DisplayItemClient& displayItemClient = paintingOverflowContents ? static_cast<const DisplayItemClient&>(*m_layoutBox.layer()->compositedLayerMapping()->scrollingContentsLayer()) : m_layoutBox;
     if (DrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, displayItemClient, DisplayItem::kBoxDecorationBackground))
         return;
@@ skipping 747 matching lines @@
     }
 }
 
 bool BoxPainter::shouldForceWhiteBackgroundForPrintEconomy(const ComputedStyle& style, const Document& document)
 {
     return document.printing() && style.getPrintColorAdjust() == PrintColorAdjustEconomy
         && (!document.settings() || !document.settings()->shouldPrintBackgrounds());
 }
 
 } // namespace blink