Make ifdefs consistent in WebKit/Source/core/

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

Index: third_party/WebKit/Source/core/layout/LayoutObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.cpp b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
index c34902ecec7e5da81b2824dc66d53d77890c1574..6882070bf314b334fff52c1bbd0476e24ed80c06 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
@@ -3450,8 +3450,10 @@ void LayoutObject::setMayNeedPaintInvalidationAnimatedBackgroundImage() {
 void LayoutObject::clearPaintInvalidationFlags() {
   // paintInvalidationStateIsDirty should be kept in sync with the
   // booleans that are cleared below.
+#if DCHECK_IS_ON()
   ASSERT(!shouldCheckForPaintInvalidationRegardlessOfPaintInvalidationState() ||
          paintInvalidationStateIsDirty());
+#endif
   clearShouldDoFullPaintInvalidation();
   m_bitfields.setChildShouldCheckForPaintInvalidation(false);
   m_bitfields.setMayNeedPaintInvalidation(false);