TestRunner library classes should be marked as NonCopyable.

Source/testing/runner/SpellCheckClient.h

 /*
  * Copyright (C) 2013 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef SpellCheckClient_h
 #define SpellCheckClient_h
 
 #include "MockSpellCheck.h"
+#include "public/platform/WebNonCopyable.h"
+#include "public/testing/WebTask.h"
 #include "public/web/WebSpellCheckClient.h"
-#include "public/testing/WebTask.h"
 
 namespace WebTestRunner {
 
 class WebTestDelegate;
 
-class SpellCheckClient : public WebKit::WebSpellCheckClient {
+class SpellCheckClient : public WebKit::WebSpellCheckClient, public WebKit::WebNonCopyable {
 public:
     SpellCheckClient();
     virtual ~SpellCheckClient();
 
     void setDelegate(WebTestDelegate*);
 
     WebTaskList* taskList() { return &m_taskList; }
     MockSpellCheck* mockSpellCheck() { return &m_spellcheck; }
 
     // WebKit::WebSpellCheckClient implementation.
@@ skipping 15 matching lines @@
     WebKit::WebTextCheckingCompletion* m_lastRequestedTextCheckingCompletion;
 
     WebTaskList m_taskList;
 
     WebTestDelegate* m_delegate;
 };
 
 }
 
 #endif // SpellCheckClient_h