Extend scoped_ptr to be closer to unique_ptr. Support custom deleters, and deleting arrays.

content/browser/speech/speech_recognition_manager_impl.h

Index: content/browser/speech/speech_recognition_manager_impl.h
diff --git a/content/browser/speech/speech_recognition_manager_impl.h b/content/browser/speech/speech_recognition_manager_impl.h
index c5fb75e59424787592a2ad707219c28adddbd1bd..08e85a63b8b940258c55ea1e3e4957d5962ce72c 100644
--- a/content/browser/speech/speech_recognition_manager_impl.h
+++ b/content/browser/speech/speech_recognition_manager_impl.h
@@ -99,7 +99,10 @@ class CONTENT_EXPORT SpeechRecognitionManagerImpl :
  protected:
   // BrowserMainLoop is the only one allowed to istantiate and free us.
   friend class content::BrowserMainLoop;
-  friend class scoped_ptr<SpeechRecognitionManagerImpl>;  // Needed for dtor.
+
+  // Needed for dtor.
+  friend struct base::DefaultDeleter<SpeechRecognitionManagerImpl>;
+
   SpeechRecognitionManagerImpl();
   virtual ~SpeechRecognitionManagerImpl();