Fix to make the clang bots happy.

content/common/gpu_info.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_GPU_INFO_H_
 #define CONTENT_COMMON_GPU_INFO_H_
 #pragma once
 
 // Provides access to the GPU information for the system
 // on which chrome is currently running.
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/time.h"
 #include "build/build_config.h"
 #include "content/common/dx_diag_node.h"
 
 struct GPUInfo {
   GPUInfo();
+  ~GPUInfo();
 
   // Whether more GPUInfo fields might be collected in the future.
   bool finalized;
 
   // The amount of time taken to get from the process starting to the message
   // loop being pumped.
   base::TimeDelta initialization_time;
 
   // The DWORD (uint32) representing the graphics card vendor id.
   uint32 vendor_id;
@@ skipping 37 matching lines @@
   // semantics are available.
   bool can_lose_context;
 
 #if defined(OS_WIN)
   // The information returned by the DirectX Diagnostics Tool.
   DxDiagNode dx_diagnostics;
 #endif
 };
 
 #endif  // CONTENT_COMMON_GPU_INFO_H_