Devirtualize several inspector classes destructors

Source/core/inspector/ScriptProfile.h

 /*
  * Copyright (c) 2010, 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 29 matching lines @@
 }
 
 namespace WebCore {
 
 class ScriptProfile : public RefCounted<ScriptProfile> {
 public:
     static PassRefPtr<ScriptProfile> create(const v8::CpuProfile* profile, double idleTime)
     {
         return adoptRef(new ScriptProfile(profile, idleTime));
     }
-    virtual ~ScriptProfile();
+    ~ScriptProfile();
 
     String title() const;
     unsigned int uid() const;
     double idleTime() const;
 
     double startTime() const;
     double endTime() const;
 
     PassRefPtr<TypeBuilder::Profiler::CPUProfileNode> buildInspectorObjectForHead() const;
     PassRefPtr<TypeBuilder::Array<int> > buildInspectorObjectForSamples() const;
 
 private:
     ScriptProfile(const v8::CpuProfile* profile, double idleTime)
         : m_profile(profile)
         , m_idleTime(idleTime)
     {
     }
 
     const v8::CpuProfile* m_profile;
     double m_idleTime;
 };
 
 } // namespace WebCore
 
 #endif // ScriptProfile_h