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/fpdfsdk/cba_annotiterator.h b/fpdfsdk/cba_annotiterator.h
index 36eacd9..8f9768d 100644
--- a/fpdfsdk/cba_annotiterator.h
+++ b/fpdfsdk/cba_annotiterator.h
@@ -10,9 +10,9 @@
 #include <vector>
 
 #include "core/fpdfdoc/cpdf_annot.h"
-#include "core/fxcrt/cfx_unowned_ptr.h"
 #include "core/fxcrt/fx_coordinates.h"
 #include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/unowned_ptr.h"
 
 class CPDFSDK_Annot;
 class CPDFSDK_PageView;
@@ -38,7 +38,7 @@
                            std::vector<size_t>* aSelect);
 
   TabOrder m_eTabOrder;
-  CFX_UnownedPtr<CPDFSDK_PageView> m_pPageView;
+  UnownedPtr<CPDFSDK_PageView> m_pPageView;
   CPDF_Annot::Subtype m_nAnnotSubtype;
   std::vector<CPDFSDK_Annot*> m_Annots;
 };