Fix Deque.swap for deques with inline capacity

Source/platform/heap/Heap.h

Index: Source/platform/heap/Heap.h
diff --git a/Source/platform/heap/Heap.h b/Source/platform/heap/Heap.h
index 81bf4ad0cf68eb27e6c72f982c2e110a0707790b..175f5c6bbf53d1707dec3b1698462d5f878f2cbd 100644
--- a/Source/platform/heap/Heap.h
+++ b/Source/platform/heap/Heap.h
@@ -1684,15 +1684,13 @@ public:
     {
     }
 
-    // FIXME: Doesn't work if there is an inline buffer, due to crbug.com/360572
-    HeapDeque<T, 0>& operator=(const HeapDeque& other)
+    HeapDeque& operator=(const HeapDeque& other)
     {
         HeapDeque<T> copy(other);
         swap(copy);
         return *this;
     }
 
-    // FIXME: Doesn't work if there is an inline buffer, due to crbug.com/360572
     inline void swap(HeapDeque& other)
     {
         Deque<T, inlineCapacity, HeapAllocator>::swap(other);