Call HeapObjectHeader::checkHeader solely for its side-effect.

third_party/WebKit/Source/bindings/core/v8/TraceWrapperMember.h

Index: third_party/WebKit/Source/bindings/core/v8/TraceWrapperMember.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/TraceWrapperMember.h b/third_party/WebKit/Source/bindings/core/v8/TraceWrapperMember.h
index eb68310da5a219c165d454c83a5f1c66ab9e6686..090fdde39dec71067752c04da5f7e6fa22564296 100644
--- a/third_party/WebKit/Source/bindings/core/v8/TraceWrapperMember.h
+++ b/third_party/WebKit/Source/bindings/core/v8/TraceWrapperMember.h
@@ -26,7 +26,9 @@ class TraceWrapperMember : public Member<T> {
  public:
   TraceWrapperMember(void* parent, T* raw) : Member<T>(raw), m_parent(parent) {
 #if DCHECK_IS_ON()
-    DCHECK(!m_parent || HeapObjectHeader::fromPayload(m_parent)->checkHeader());
+    if (m_parent) {
+      HeapObjectHeader::fromPayload(m_parent)->checkHeader();
+    }
 #endif
     // We don't require a write barrier here as TraceWrapperMember is used for
     // the following scenarios: