Fix WTF::makeUnique for arrays

third_party/WebKit/Source/platform/wtf/PtrUtil.h

Index: third_party/WebKit/Source/platform/wtf/PtrUtil.h
diff --git a/third_party/WebKit/Source/platform/wtf/PtrUtil.h b/third_party/WebKit/Source/platform/wtf/PtrUtil.h
index 57ba0a8726c3b9b09a2655dccc6757e6f69b3c14..2d787cb83e68131f96f6cc9056b282c83296195a 100644
--- a/third_party/WebKit/Source/platform/wtf/PtrUtil.h
+++ b/third_party/WebKit/Source/platform/wtf/PtrUtil.h
@@ -9,6 +9,7 @@
 #include "platform/wtf/TypeTraits.h"
 
 #include <memory>
+#include <type_traits>
 
 namespace WTF {
 
@@ -41,7 +42,7 @@ auto makeUnique(Args&&... args)
 template <typename T>
 auto makeUnique(size_t size) -> decltype(base::MakeUnique<T>(size)) {
   static_assert(
-      !WTF::IsGarbageCollectedType<T>::value,
+      !WTF::IsGarbageCollectedType<std::remove_extent<T>>::value,
       "Garbage collected types should not be stored in std::unique_ptr!");
   return base::MakeUnique<T>(size);
 }