Make ifdefs consistent in WebKit/Source/core/layout/ .

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

Index: third_party/WebKit/Source/core/layout/LayoutObject.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.h b/third_party/WebKit/Source/core/layout/LayoutObject.h
index a52f630f527cbe30330d866bb3b87fc76394b830..9841f580447dce3272a4486aa77bec8cbf499519 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.h
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.h
@@ -2502,7 +2502,9 @@ inline void LayoutObject::setNeedsLayout(
     LayoutInvalidationReasonForTracing reason,
     MarkingBehavior markParents,
     SubtreeLayoutScope* layouter) {
-  ASSERT(!isSetNeedsLayoutForbidden());
+#if DCHECK_IS_ON()
+  DCHECK(!isSetNeedsLayoutForbidden());
+#endif
   bool alreadyNeededLayout = m_bitfields.selfNeedsLayout();
   setSelfNeedsLayout(true);
   if (!alreadyNeededLayout) {
@@ -2546,7 +2548,9 @@ inline void LayoutObject::clearNeedsLayout() {
 
 inline void LayoutObject::setChildNeedsLayout(MarkingBehavior markParents,
                                               SubtreeLayoutScope* layouter) {
-  ASSERT(!isSetNeedsLayoutForbidden());
+#if DCHECK_IS_ON()
+  DCHECK(!isSetNeedsLayoutForbidden());
+#endif
   bool alreadyNeededLayout = normalChildNeedsLayout();
   setNormalChildNeedsLayout(true);
   // FIXME: Replace MarkOnlyThis with the SubtreeLayoutScope code path and
@@ -2559,7 +2563,9 @@ inline void LayoutObject::setChildNeedsLayout(MarkingBehavior markParents,
 inline void LayoutObject::setNeedsPositionedMovementLayout() {
   bool alreadyNeededLayout = needsPositionedMovementLayout();
   setNeedsPositionedMovementLayout(true);
-  ASSERT(!isSetNeedsLayoutForbidden());
+#if DCHECK_IS_ON()
+  DCHECK(!isSetNeedsLayoutForbidden());
+#endif
   if (!alreadyNeededLayout)
     markContainerChainForLayout();
 }