Revert of Reland Compile under-invalidation checking in all builds

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

Index: third_party/WebKit/Source/core/paint/PaintLayerPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintLayerPainter.cpp b/third_party/WebKit/Source/core/paint/PaintLayerPainter.cpp
index 7cd8c1ffc74a79b448471d79ba77b9736bc8a7ff..a41e2de4ccff295e86aa1a0ed7ba473e266f4560 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayerPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintLayerPainter.cpp
@@ -700,7 +700,7 @@
     if (selectionOnly) {
         paintForegroundForFragmentsWithPhase(PaintPhaseSelection, layerFragments, context, localPaintingInfo, paintFlags, clipState);
     } else {
-        if (RuntimeEnabledFeatures::paintUnderInvalidationCheckingEnabled() || m_paintLayer.needsPaintPhaseDescendantBlockBackgrounds()) {
+        if (RuntimeEnabledFeatures::slimmingPaintUnderInvalidationCheckingEnabled() || m_paintLayer.needsPaintPhaseDescendantBlockBackgrounds()) {
             size_t sizeBefore = context.getPaintController().newDisplayItemList().size();
             paintForegroundForFragmentsWithPhase(PaintPhaseDescendantBlockBackgroundsOnly, layerFragments, context, localPaintingInfo, paintFlags, clipState);
             // Don't set the empty flag if we are not painting the whole background.
@@ -711,7 +711,7 @@
             }
         }
 
-        if (RuntimeEnabledFeatures::paintUnderInvalidationCheckingEnabled() || m_paintLayer.needsPaintPhaseFloat()) {
+        if (RuntimeEnabledFeatures::slimmingPaintUnderInvalidationCheckingEnabled() || m_paintLayer.needsPaintPhaseFloat()) {
             size_t sizeBefore = context.getPaintController().newDisplayItemList().size();
             paintForegroundForFragmentsWithPhase(PaintPhaseFloat, layerFragments, context, localPaintingInfo, paintFlags, clipState);
             bool phaseIsEmpty = context.getPaintController().newDisplayItemList().size() == sizeBefore;
@@ -721,7 +721,7 @@
 
         paintForegroundForFragmentsWithPhase(PaintPhaseForeground, layerFragments, context, localPaintingInfo, paintFlags, clipState);
 
-        if (RuntimeEnabledFeatures::paintUnderInvalidationCheckingEnabled() || m_paintLayer.needsPaintPhaseDescendantOutlines()) {
+        if (RuntimeEnabledFeatures::slimmingPaintUnderInvalidationCheckingEnabled() || m_paintLayer.needsPaintPhaseDescendantOutlines()) {
             size_t sizeBefore = context.getPaintController().newDisplayItemList().size();
             paintForegroundForFragmentsWithPhase(PaintPhaseDescendantOutlinesOnly, layerFragments, context, localPaintingInfo, paintFlags, clipState);
             bool phaseIsEmpty = context.getPaintController().newDisplayItemList().size() == sizeBefore;