Mass conversion of remaining class members (non-xfa)

Change-Id: I8365ba80e3395d59a3cf35dbd9d9162e86e712e3
Reviewed-on: https://pdfium-review.googlesource.com/5970
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/fpdfsdk/javascript/JS_EventHandler.h b/fpdfsdk/javascript/JS_EventHandler.h
index 5dcb70b..82d9d6a 100644
--- a/fpdfsdk/javascript/JS_EventHandler.h
+++ b/fpdfsdk/javascript/JS_EventHandler.h
@@ -172,7 +172,7 @@
 
   CFX_WideString m_strTargetName;
   CFX_WideString m_strSourceName;
-  CFX_WideString* m_pWideStrChange;
+  CFX_UnownedPtr<CFX_WideString> m_pWideStrChange;
   CFX_WideString m_WideStrChangeDu;
   CFX_WideString m_WideStrChangeEx;
   int m_nCommitKey;
@@ -184,12 +184,12 @@
   int* m_pISelStart;
   int m_nSelStartDu;
   bool m_bWillCommit;
-  CFX_WideString* m_pValue;
+  CFX_UnownedPtr<CFX_WideString> m_pValue;
   bool m_bFieldFull;
   bool* m_pbRc;
   bool m_bRcDu;
 
-  CPDF_Bookmark* m_pTargetBookMark;
+  CFX_UnownedPtr<CPDF_Bookmark> m_pTargetBookMark;
   CPDFSDK_FormFillEnvironment::ObservedPtr m_pTargetFormFillEnv;
   CPDFSDK_Annot::ObservedPtr m_pTargetAnnot;
 };