Merge to XFA: Remove CJS_RuntimeFactory

New edits in:
  fpdfsdk/include/fpdfxfa/fpdfxfa_app.h
  fpdfsdk/include/javascript/IJavaScript.h
  fpdfsdk/src/fpdfxfa/fpdfxfa_app.cpp

(cherry picked from commit bca779d0957965eb2ebfad5479e0894844749626)
Original Review URL: https://codereview.chromium.org/1360523004 .

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1348393007 .
6 files changed