Revert "Remove support for MSVC"

sky/engine/wtf/Vector.h

Index: sky/engine/wtf/Vector.h
diff --git a/sky/engine/wtf/Vector.h b/sky/engine/wtf/Vector.h
index 0912c2cebc7469b36e1d680028fdbf8b36d0dac0..4e5f263dd7f9d22d7feefa5bd0a96d31398d22bc 100644
--- a/sky/engine/wtf/Vector.h
+++ b/sky/engine/wtf/Vector.h
@@ -613,8 +613,10 @@ static const size_t kInitialVectorSize = WTF_VECTOR_INITIAL_SIZE;
         template<size_t otherCapacity>
         Vector& operator=(const Vector<T, otherCapacity, Allocator>&);
 
+#if COMPILER_SUPPORTS(CXX_RVALUE_REFERENCES)
         Vector(Vector&&);
         Vector& operator=(Vector&&);
+#endif
 
         size_t size() const { return m_size; }
         size_t capacity() const { return Base::capacity(); }
@@ -794,6 +796,7 @@ static const size_t kInitialVectorSize = WTF_VECTOR_INITIAL_SIZE;
         return *this;
     }
 
+#if COMPILER_SUPPORTS(CXX_RVALUE_REFERENCES)
     template<typename T, size_t inlineCapacity, typename Allocator>
     Vector<T, inlineCapacity, Allocator>::Vector(Vector<T, inlineCapacity, Allocator>&& other)
     {
@@ -809,6 +812,7 @@ static const size_t kInitialVectorSize = WTF_VECTOR_INITIAL_SIZE;
         swap(other);
         return *this;
     }
+#endif
 
     template<typename T, size_t inlineCapacity, typename Allocator>
     template<typename U>