Fix Deque.swap for deques with inline capacity

Source/platform/heap/Heap.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1666 matching lines @@
     HeapDeque() { }
 
     explicit HeapDeque(size_t size) : Deque<T, inlineCapacity, HeapAllocator>(size)
     {
     }
 
     HeapDeque(size_t size, const T& val) : Deque<T, inlineCapacity, HeapAllocator>(size, val)
     {
     }
 
-    // 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);
     }
 
     template<size_t otherCapacity>
     HeapDeque(const HeapDeque<T, otherCapacity>& other)
         : Deque<T, inlineCapacity, HeapAllocator>(other)
     {
     }
@@ skipping 641 matching lines @@
 };
 
 template<typename T>
 struct IfWeakMember<WeakMember<T> > {
     static bool isDead(Visitor* visitor, const WeakMember<T>& t) { return !visitor->isAlive(t.get()); }
 };
 
 }
 
 #endif // Heap_h