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

Source/web/WebViewImpl.cpp

Index: Source/web/WebViewImpl.cpp
diff --git a/Source/web/WebViewImpl.cpp b/Source/web/WebViewImpl.cpp
index 4dbb28f09e84cb73db9682bc3a37649d8a3d3c58..cb895ce3ad62ddc81129329d4b6da8717a101a79 100644
--- a/Source/web/WebViewImpl.cpp
+++ b/Source/web/WebViewImpl.cpp
@@ -347,7 +347,6 @@ WebViewImpl::WebViewImpl(WebViewClient* client)
     , m_imeAcceptEvents(true)
     , m_operationsAllowed(WebDragOperationNone)
     , m_dragOperation(WebDragOperationNone)
-    , m_featureSwitchClient(adoptPtr(new ContextFeaturesClientImpl()))
     , m_isTransparent(false)
     , m_tabsToLinks(false)
     , m_layerTreeView(0)
@@ -394,7 +393,7 @@ WebViewImpl::WebViewImpl(WebViewClient* client)
     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());