Merge to XFA: CJS_Context::compile unused

Manual merge in fpdfsdk/src/javascript/JS_Context.cpp

(cherry picked from commit 6e945a1ebbacde3ed2a4fc83ccb7215ccbc46931)
Original Review URL: https://codereview.chromium.org/1318543012 .

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1318343004 .
diff --git a/fpdfsdk/include/javascript/JS_Context.h b/fpdfsdk/include/javascript/JS_Context.h
index 995d322..d5b1064 100644
--- a/fpdfsdk/include/javascript/JS_Context.h
+++ b/fpdfsdk/include/javascript/JS_Context.h
@@ -16,11 +16,10 @@
 
 class CJS_Context : public IFXJS_Context {
  public:
-  CJS_Context(CJS_Runtime* pRuntime);
+  explicit CJS_Context(CJS_Runtime* pRuntime);
   ~CJS_Context() override;
 
   // IFXJS_Context
-  FX_BOOL Compile(const CFX_WideString& script, CFX_WideString& info) override;
   FX_BOOL RunScript(const CFX_WideString& script,
                     CFX_WideString& info) override;
   void OnApp_Init() override;
@@ -124,11 +123,8 @@
   FX_BOOL IsMsgBoxEnabled() const { return m_bMsgBoxEnable; }
 
   CPDFDoc_Environment* GetReaderApp();
-  CJS_Runtime* GetJSRuntime() { return m_pRuntime; }
-
-  FX_BOOL DoJob(int nMode, const CFX_WideString& script, CFX_WideString& info);
-
-  CJS_EventHandler* GetEventHandler() { return m_pEventHandler; }
+  CJS_Runtime* GetJSRuntime() const { return m_pRuntime; }
+  CJS_EventHandler* GetEventHandler() const { return m_pEventHandler; }
   CPDFSDK_Document* GetReaderDocument();
 
  private: