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/javascript/JS_EventHandler.h b/fpdfsdk/javascript/JS_EventHandler.h
index 8273b41..6f10ba5 100644
--- a/fpdfsdk/javascript/JS_EventHandler.h
+++ b/fpdfsdk/javascript/JS_EventHandler.h
@@ -7,9 +7,9 @@
 #ifndef FPDFSDK_JAVASCRIPT_JS_EVENTHANDLER_H_
 #define FPDFSDK_JAVASCRIPT_JS_EVENTHANDLER_H_
 
-#include "core/fxcrt/cfx_unowned_ptr.h"
 #include "core/fxcrt/fx_string.h"
 #include "core/fxcrt/fx_system.h"
+#include "core/fxcrt/unowned_ptr.h"
 #include "fpdfsdk/cpdfsdk_formfillenvironment.h"
 
 class CJS_EventContext;
@@ -166,13 +166,13 @@
   JS_EVENT_T EventType() { return m_eEventType; }
 
  public:
-  CFX_UnownedPtr<CJS_EventContext> const m_pJSEventContext;
+  UnownedPtr<CJS_EventContext> const m_pJSEventContext;
   JS_EVENT_T m_eEventType;
   bool m_bValid;
 
   WideString m_strTargetName;
   WideString m_strSourceName;
-  CFX_UnownedPtr<WideString> m_pWideStrChange;
+  UnownedPtr<WideString> m_pWideStrChange;
   WideString m_WideStrChangeDu;
   WideString m_WideStrChangeEx;
   int m_nCommitKey;
@@ -184,12 +184,12 @@
   int* m_pISelStart;
   int m_nSelStartDu;
   bool m_bWillCommit;
-  CFX_UnownedPtr<WideString> m_pValue;
+  UnownedPtr<WideString> m_pValue;
   bool m_bFieldFull;
   bool* m_pbRc;
   bool m_bRcDu;
 
-  CFX_UnownedPtr<CPDF_Bookmark> m_pTargetBookMark;
+  UnownedPtr<CPDF_Bookmark> m_pTargetBookMark;
   CPDFSDK_FormFillEnvironment::ObservedPtr m_pTargetFormFillEnv;
   CPDFSDK_Annot::ObservedPtr m_pTargetAnnot;
 };