Make ifdefs consistent in WebKit/Source/core/

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

Index: third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
index 0973ebc02c37956d9b0348d6c97bed8a8ae39ccc..3be0d1adada18fc29fc72495b0a20a1b54939f2f 100644
--- a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
@@ -376,7 +376,9 @@ void LocalDOMWindow::enqueueDocumentEvent(Event* event) {
 }
 
 void LocalDOMWindow::dispatchWindowLoadEvent() {
-  ASSERT(!EventDispatchForbiddenScope::isEventDispatchForbidden());
+#if DCHECK_IS_ON()
+  DCHECK(!EventDispatchForbiddenScope::isEventDispatchForbidden());
+#endif
   // Delay 'load' event if we are in EventQueueScope.  This is a short-term
   // workaround to avoid Editing code crashes.  We should always dispatch
   // 'load' event asynchronously.  crbug.com/569511.
@@ -1419,7 +1421,9 @@ void LocalDOMWindow::dispatchLoadEvent() {
 
 DispatchEventResult LocalDOMWindow::dispatchEvent(Event* event,
                                                   EventTarget* target) {
-  ASSERT(!EventDispatchForbiddenScope::isEventDispatchForbidden());
+#if DCHECK_IS_ON()
+  DCHECK(!EventDispatchForbiddenScope::isEventDispatchForbidden());
+#endif
 
   event->setTrusted(true);
   event->setTarget(target ? target : this);