Add observer for BAAnnots from Javascript

fpdfsdk/javascript/Annot.h

Index: fpdfsdk/javascript/Annot.h
diff --git a/fpdfsdk/javascript/Annot.h b/fpdfsdk/javascript/Annot.h
index b3ea292aed86e3a30e6912058477e3bed590b31c..0043be3584a9990841e7ec3734498901249219c2 100644
--- a/fpdfsdk/javascript/Annot.h
+++ b/fpdfsdk/javascript/Annot.h
@@ -7,6 +7,8 @@
 #ifndef FPDFSDK_JAVASCRIPT_ANNOT_H_
 #define FPDFSDK_JAVASCRIPT_ANNOT_H_
 
+#include <memory>
+
 #include "fpdfsdk/include/cpdfsdk_baannot.h"
 #include "fpdfsdk/javascript/JS_Define.h"
 
@@ -23,6 +25,7 @@ class Annot : public CJS_EmbedObj {
 
  private:
   CPDFSDK_BAAnnot* m_BAAnnot = nullptr;
+  std::unique_ptr<CPDFSDK_BAAnnot::Observer> m_pObserver;

[Tom Sepez, 2016/09/01 18:03:30]

This can't be a widget observer?

[dsinclair, 2016/09/01 18:11:58]

CPDFSDK_BAAnnot is the parent class of CDPFSDK_Widget, so we wouldn't be able to
create a CPDFSDK_Widget::Observer(CPDFSDK_Widget**) with the m_BAAnnot object.
(Or, am I missing something?)

[Tom Sepez, 2016/09/01 18:12:06]

I mean, this can't be an CPDFSDK_Annot::Observer ?

 };
 
 class CJS_Annot : public CJS_Object {