Oilpan: Remove unused methods from HeapDeque

BUG=

Review URL: https://codereview.chromium.org/1329853003

git-svn-id: svn://svn.chromium.org/blink/trunk@201783 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/platform/heap/HeapAllocator.h

@@ -389,27 +389,15 @@ public:
     HeapDeque<T, 0>& operator=(const HeapDeque& other)
     {
         HeapDeque<T> copy(other);
-        swap(copy);
+        Deque<T, inlineCapacity, HeapAllocator>::swap(copy);
         return *this;
     }
 
-    // FIXME: Doesn't work if there is an inline buffer, due to crbug.com/360572
-    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)
     {
     }
-
-    template<typename U>
-    void append(const U& other)
-    {
-        Deque<T, inlineCapacity, HeapAllocator>::append(other);
-    }
 };
 
 } // namespace blink