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

third_party/WebKit/Source/core/frame/FrameView.cpp

Index: third_party/WebKit/Source/core/frame/FrameView.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index 44193576adf8f152a961b214c0ff318df901c561..e45cc82b8e7e64269130eb564621a12a41a5b950 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -1252,7 +1252,7 @@ void FrameView::layout() {
   if (m_nestedLayoutCount)
     return;
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   // Post-layout assert that nobody was re-marked as needing layout during
   // layout.
   layoutView()->assertSubtreeIsLaidOut();
@@ -1281,7 +1281,7 @@ void FrameView::invalidateTreeIfNeeded(
   invalidatePaintIfNeeded(paintInvalidationState);
   rootForPaintInvalidation.invalidateTreeIfNeeded(paintInvalidationState);
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   layoutView()->assertSubtreeClearedPaintInvalidationFlags();
 #endif
 
@@ -3106,7 +3106,7 @@ void FrameView::updateStyleAndLayoutIfNeededRecursiveInternal() {
   // These asserts ensure that parent frames are clean, when child frames
   // finished updating layout and style.
   checkDoesNotNeedLayout();
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   m_frame->document()->layoutView()->assertLaidOut();
 #endif