Move CFX_UnownedPtr to UnownedPtr

This CL moves CFX_UnownedPtr to UnownedPtr and places in the fxcrt
namespace.

Bug: pdfium:898
Change-Id: I6d1fa463f365e5cb3aafa8c8a7a5f7eff62ed8e0
Reviewed-on: https://pdfium-review.googlesource.com/14620
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
diff --git a/xfa/fwl/cfwl_widget.h b/xfa/fwl/cfwl_widget.h
index 16a818e..f4ff63e 100644
--- a/xfa/fwl/cfwl_widget.h
+++ b/xfa/fwl/cfwl_widget.h
@@ -9,9 +9,9 @@
 
 #include <memory>
 
-#include "core/fxcrt/cfx_unowned_ptr.h"
 #include "core/fxcrt/fx_coordinates.h"
 #include "core/fxcrt/fx_system.h"
+#include "core/fxcrt/unowned_ptr.h"
 #include "xfa/fde/cfde_textout.h"
 #include "xfa/fwl/cfwl_event.h"
 #include "xfa/fwl/cfwl_themepart.h"
@@ -148,8 +148,8 @@
                   IFWL_ThemeProvider* pTheme,
                   const CFX_Matrix& pMatrix);
 
-  CFX_UnownedPtr<const CFWL_App> const m_pOwnerApp;
-  CFX_UnownedPtr<CFWL_WidgetMgr> const m_pWidgetMgr;
+  UnownedPtr<const CFWL_App> const m_pOwnerApp;
+  UnownedPtr<CFWL_WidgetMgr> const m_pWidgetMgr;
   std::unique_ptr<CFWL_WidgetProperties> m_pProperties;
   CFWL_Widget* m_pOuter;
   int32_t m_iLock;
@@ -184,7 +184,7 @@
 
   CXFA_FFWidget* m_pLayoutItem;
   uint32_t m_nEventKey;
-  CFX_UnownedPtr<IFWL_WidgetDelegate> m_pDelegate;
+  UnownedPtr<IFWL_WidgetDelegate> m_pDelegate;
 };
 
 #endif  // XFA_FWL_CFWL_WIDGET_H_