Rename CPDFSDK_Environment to CPDFSDK_FormfillEnvironment

fpdfsdk/javascript/ijs_runtime.h

Index: fpdfsdk/javascript/ijs_runtime.h
diff --git a/fpdfsdk/javascript/ijs_runtime.h b/fpdfsdk/javascript/ijs_runtime.h
index 0c2bd042c6e9e9a3bcf97586407932775368290c..e656545b56e725ced1be537bffb46ffe1ca308bd 100644
--- a/fpdfsdk/javascript/ijs_runtime.h
+++ b/fpdfsdk/javascript/ijs_runtime.h
@@ -14,7 +14,7 @@
 #include "fxjs/fxjse.h"
 #endif  // PDF_ENABLE_XFA
 
-class CPDFSDK_Environment;
+class CPDFSDK_FormFillEnvironment;
 class CPDFSDK_Document;
 class IJS_Context;
 
@@ -23,7 +23,7 @@ class IJS_Runtime {
  public:
   static void Initialize(unsigned int slot, void* isolate);
   static void Destroy();
-  static IJS_Runtime* Create(CPDFSDK_Environment* pEnv);
+  static IJS_Runtime* Create(CPDFSDK_FormFillEnvironment* pEnv);
   virtual ~IJS_Runtime() {}
 
   virtual IJS_Context* NewContext() = 0;