Apply OwnPtr|PassOwnPtr to handle member variables and arguments in MIDIClient

Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 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 343 matching lines @@
     , m_rootLayer(0)
     , m_rootGraphicsLayer(0)
     , m_rootTransformLayer(0)
     , m_graphicsLayerFactory(adoptPtr(new GraphicsLayerFactoryChromium(this)))
     , m_isAcceleratedCompositingActive(false)
     , m_layerTreeViewCommitsDeferred(false)
     , m_compositorCreationFailed(false)
     , m_recreatingGraphicsContext(false)
     , m_geolocationClientProxy(adoptPtr(new GeolocationClientProxy(client ? client->geolocationClient() : 0)))
     , m_userMediaClientImpl(this)
-    , m_midiClientProxy(adoptPtr(new MIDIClientProxy(client ? client->webMIDIClient() : 0)))
     , m_flingModifier(0)
     , m_flingSourceDevice(false)
     , m_fullscreenController(FullscreenController::create(this))
     , m_showFPSCounter(false)
     , m_showPaintRects(false)
     , m_showDebugBorders(false)
     , m_continuousPaintingEnabled(false)
     , m_showScrollBottleneckRects(false)
     , m_baseBackgroundColor(Color::white)
     , m_backgroundColorOverride(Color::transparent)
     , m_zoomFactorOverride(0)
 {
     Page::PageClients pageClients;
     pageClients.chromeClient = &m_chromeClientImpl;
     pageClients.contextMenuClient = &m_contextMenuClientImpl;
     pageClients.editorClient = &m_editorClientImpl;
     pageClients.dragClient = &m_dragClientImpl;
     pageClients.inspectorClient = &m_inspectorClientImpl;
     pageClients.backForwardClient = &m_backForwardClientImpl;
     pageClients.spellCheckerClient = &m_spellCheckerClientImpl;
     pageClients.storageClient = &m_storageClientImpl;
 
     m_page = adoptPtr(new Page(pageClients));
     provideUserMediaTo(*m_page, &m_userMediaClientImpl);
     MediaKeysController::provideMediaKeysTo(*m_page, &m_mediaKeysClientImpl);
-    provideMIDITo(*m_page, m_midiClientProxy.get());
+    provideMIDITo(*m_page, MIDIClientProxy::create(client ? client->webMIDIClient() : 0));
 #if ENABLE(INPUT_SPEECH)
     provideSpeechInputTo(*m_page, SpeechInputClientImpl::create(client));
 #endif
     provideSpeechRecognitionTo(*m_page, SpeechRecognitionClientProxy::create(client ? client->speechRecognizer() : 0));
     provideNotification(*m_page, notificationPresenterImpl());
     provideNavigatorContentUtilsTo(*m_page, NavigatorContentUtilsClientImpl::create(this));
 
     provideContextFeaturesTo(*m_page, m_featureSwitchClient.get());
     if (RuntimeEnabledFeatures::deviceOrientationEnabled())
         DeviceOrientationInspectorAgent::provideTo(*m_page);
@@ skipping 3575 matching lines @@
     const PageScaleConstraints& constraints = m_pageScaleConstraintsSet.pageDefinedConstraints();
 
     if (!mainFrameImpl() || !mainFrameImpl()->frameView())
         return false;
 
     return mainFrameImpl()->frameView()->layoutSize().width() == m_size.width
         || (constraints.minimumScale == constraints.maximumScale && constraints.minimumScale != -1);
 }
 
 } // namespace blink