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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CompositedLayerMappingPtr_h
      6 #define CompositedLayerMappingPtr_h
      7 
      8 #include "wtf/Assertions.h"
      9 
     10 namespace WebCore {
     11 
     12 class CompositedLayerMapping;
     13 
     14 class CompositedLayerMappingPtr {
     15 public:
     16     CompositedLayerMappingPtr(CompositedLayerMapping* mapping)
     17         : m_mapping(mapping)
     18     {
     19     }
     20 
     21     CompositedLayerMapping& operator*() const
     22     {
     23         ASSERT(m_mapping);
     24         return *m_mapping;
     25     }
     26 
     27     CompositedLayerMapping* operator->() const
     28     {
     29         ASSERT(m_mapping);
     30         return m_mapping;
     31     }
     32 
     33 private:
     34     CompositedLayerMapping* m_mapping;
     35 };
     36 
     37 } // namespace WebCore
     38 
     39 #endif // CompositedLayerMappingPtr_h
     40