Apply OwnPtr|PassOwnPtr to member variables and arguments in ContextFeatures.

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 329 matching lines @@
     , m_fakePageScaleAnimationUseAnchor(false)
     , m_contextMenuAllowed(false)
     , m_doingDragAndDrop(false)
     , m_ignoreInputEvents(false)
     , m_compositorDeviceScaleFactorOverride(0)
     , m_rootLayerScale(1)
     , m_suppressNextKeypressEvent(false)
     , m_imeAcceptEvents(true)
     , m_operationsAllowed(WebDragOperationNone)
     , m_dragOperation(WebDragOperationNone)
-    , m_featureSwitchClient(adoptPtr(new ContextFeaturesClientImpl()))
     , m_isTransparent(false)
     , m_tabsToLinks(false)
     , m_layerTreeView(0)
     , m_rootLayer(0)
     , m_rootGraphicsLayer(0)
     , m_rootTransformLayer(0)
     , m_graphicsLayerFactory(adoptPtr(new GraphicsLayerFactoryChromium(this)))
     , m_isAcceleratedCompositingActive(false)
     , m_layerTreeViewCommitsDeferred(false)
     , m_compositorCreationFailed(false)
@@ skipping 26 matching lines @@
     provideUserMediaTo(*m_page, &m_userMediaClientImpl);
     MediaKeysController::provideMediaKeysTo(*m_page, &m_mediaKeysClientImpl);
     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());
+    provideContextFeaturesTo(*m_page, ContextFeaturesClientImpl::create().get());

[jochen (gone - plz use gerrit), 2014/04/04 09:07:01]

won't this delete the client immediately?

[gyuyoung-inactive, 2014/04/04 09:51:11]

Yes, right. This patch won't delete the client instance. I apply
OwnPtr|PassOwnPtr to ContextFeatures class in order to delete the client
immediately.

     if (RuntimeEnabledFeatures::deviceOrientationEnabled())
         DeviceOrientationInspectorAgent::provideTo(*m_page);
     provideGeolocationTo(*m_page, m_geolocationClientProxy.get());
     m_geolocationClientProxy->setController(GeolocationController::from(m_page.get()));
 
     provideLocalFileSystemTo(*m_page, LocalFileSystemClient::create());
     provideDatabaseClientTo(*m_page, DatabaseClientImpl::create());
     InspectorIndexedDBAgent::provideTo(m_page.get());
     provideStorageQuotaClientTo(*m_page, StorageQuotaClientImpl::create());
     m_validationMessage = ValidationMessageClientImpl::create(*this);
@@ skipping 3567 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