Fix browser_tests on 32-bit linux

public/platform/WebRTCConfiguration.h

 /*
  * Copyright (C) 2012 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 59 matching lines @@
 #endif
 
 private:
     WebPrivatePtr<RTCIceServer> m_private;
 };
 
 class WebRTCICEServerArray {
 public:
     WebRTCICEServerArray() {}
     WebRTCICEServerArray(const WebRTCICEServerArray& other) { assign(other); }
+    ~WebRTCICEServerArray() { reset(); }
     WebRTCICEServerArray& operator=(const WebRTCICEServerArray& other)
     {
         assign(other);
         return *this;
     }
 
     BLINK_PLATFORM_EXPORT void assign(const WebRTCICEServerArray&);
 
     BLINK_PLATFORM_EXPORT void reset();
     bool isNull() const { return m_private.isNull(); }
@@ skipping 58 matching lines @@
     BLINK_PLATFORM_EXPORT WebRTCConfiguration(RTCConfiguration*);
 #endif
 
 private:
     WebPrivatePtr<RTCConfiguration> m_private;
 };
 
 } // namespace blink
 
 #endif // WebRTCConfiguration_h