Pass IJS_Runtime, not IJS_Context, to native object constructors.

fpdfsdk/include/javascript/IJavaScript.h

Index: fpdfsdk/include/javascript/IJavaScript.h
diff --git a/fpdfsdk/include/javascript/IJavaScript.h b/fpdfsdk/include/javascript/IJavaScript.h
index a527d19544182720c77c3c4c5a9e0c419593ecd7..b103703a1b75ed218b393d7a072e75154af777f7 100644
--- a/fpdfsdk/include/javascript/IJavaScript.h
+++ b/fpdfsdk/include/javascript/IJavaScript.h
@@ -16,10 +16,11 @@ class CPDFSDK_Document;
 class CPDF_Bookmark;
 class CPDF_FormField;
 
+// Records the details of an event and triggers JS execution for it.
 class IJS_Context {
  public:
   virtual FX_BOOL RunScript(const CFX_WideString& script,
-                            CFX_WideString& info) = 0;
+                            CFX_WideString* info) = 0;
 
   virtual void OnApp_Init() = 0;
 
@@ -131,6 +132,7 @@ class IJS_Context {
   virtual ~IJS_Context() {}
 };
 
+// Owns the FJXS objects needed to actually execute JS.
 class IJS_Runtime {
  public:
   static IJS_Runtime* Create(CPDFDoc_Environment* pEnv);
@@ -141,6 +143,9 @@ class IJS_Runtime {
   virtual IJS_Context* GetCurrentContext() = 0;
   virtual void SetReaderDocument(CPDFSDK_Document* pReaderDoc) = 0;
   virtual CPDFSDK_Document* GetReaderDocument() = 0;
+  virtual int Execute(IJS_Context* cc,
+                      const wchar_t* script,
+                      CFX_WideString* info) = 0;
 
  protected:
   IJS_Runtime() {}