Apply OwnPtr|PassOwnPtr to m_validationMessageClient and setValidationMessageClient() in Page class

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 386 matching lines @@
     provideContextFeaturesTo(*m_page, ContextFeaturesClientImpl::create());
     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);
-    m_page->setValidationMessageClient(m_validationMessage.get());
+    m_page->setValidationMessageClient(ValidationMessageClientImpl::create(*this));
     provideWorkerGlobalScopeProxyProviderTo(*m_page, WorkerGlobalScopeProxyProviderImpl::create());
 
     m_page->makeOrdinary();
 
     if (m_client) {
         providePushControllerTo(*m_page, m_client->webPushClient());
         setDeviceScaleFactor(m_client->screenInfo().deviceScaleFactor);
         setVisibilityState(m_client->visibilityState(), true);
     }
 
@@ skipping 3561 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