RefCounted types should not have public destructors, printing/ and ui/

ui/gfx/gl/gl_context_cgl.h

 // Copyright (c) 2012 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.
 
 #include "ui/gfx/gl/gl_context.h"
 
 namespace gfx {
 
 class GLSurface;
 
 // Encapsulates a CGL OpenGL context.
 class GLContextCGL : public GLContext {
  public:
   explicit GLContextCGL(GLShareGroup* share_group);
-  virtual ~GLContextCGL();
 
   // Implement GLContext.
-  virtual bool Initialize(
-      GLSurface* compatible_surface, GpuPreference gpu_preference) OVERRIDE;
+  virtual bool Initialize(GLSurface* compatible_surface,
+                          GpuPreference gpu_preference) OVERRIDE;
   virtual void Destroy() OVERRIDE;
   virtual bool MakeCurrent(GLSurface* surface) OVERRIDE;
   virtual void ReleaseCurrent(GLSurface* surface) OVERRIDE;
   virtual bool IsCurrent(GLSurface* surface) OVERRIDE;
   virtual void* GetHandle() OVERRIDE;
   virtual void SetSwapInterval(int interval) OVERRIDE;
 
+ protected:
+  virtual ~GLContextCGL();
+
+ private:
   // Expose ForceUseOfDiscreteGPU only to GLContext implementation.
   friend class GLContext;
 
- private:
-  void* context_;
-  GpuPreference gpu_preference_;
-
   GpuPreference GetGpuPreference();
 
   // Helper for dual-GPU support on systems where this is necessary
   // for stability reasons.
   static void ForceUseOfDiscreteGPU();
 
+  void* context_;
+  GpuPreference gpu_preference_;
+
   DISALLOW_COPY_AND_ASSIGN(GLContextCGL);
 };
 
 }  // namespace gfx