Use OwnPtr|PassOwnPtr to pass a pointer of SpeechInputClient

Source/core/speech/SpeechInput.cpp

 /*
  * 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 20 matching lines @@
 #include "config.h"
 #include "core/speech/SpeechInput.h"
 
 #if ENABLE(INPUT_SPEECH)
 
 #include "core/speech/SpeechInputClient.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace WebCore {
 
-SpeechInput::SpeechInput(SpeechInputClient* client)
+SpeechInput::SpeechInput(PassOwnPtr<SpeechInputClient> client)
     : m_client(client)
     , m_nextListenerId(1)
 {
     m_client->setListener(this);
 }
 
 SpeechInput::~SpeechInput()
 {
     m_client->setListener(0);
 }
 
-PassOwnPtr<SpeechInput> SpeechInput::create(SpeechInputClient* client)
+PassOwnPtr<SpeechInput> SpeechInput::create(PassOwnPtr<SpeechInputClient> client)
 {
     return adoptPtr(new SpeechInput(client));
 }
 
 int SpeechInput::registerListener(SpeechInputListener* listener)
 {
 #if defined(DEBUG)
     // Check if already present.
     for (HashMap<int, SpeechInputListener*>::iterator it = m_listeners.begin(); it != m_listeners.end(); ++it)
         ASSERT(it->value != listener);
@@ skipping 49 matching lines @@
 {
     ASSERT(m_listeners.contains(listenerId));
     m_client->cancelRecognition(listenerId);
 }
 
 const char* SpeechInput::supplementName()
 {
     return "SpeechInput";
 }
 
-void provideSpeechInputTo(Page& page, SpeechInputClient* client)
+void provideSpeechInputTo(Page& page, PassOwnPtr<SpeechInputClient> client)
 {
     SpeechInput::provideTo(page, SpeechInput::supplementName(), SpeechInput::create(client));
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(INPUT_SPEECH)