Rename CPDFDoc_Environment to CPDFSDK_Environment

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 3dcfa372deff2d6b4b6e3e9414e17007b9cf6eb0..ee024fe2fd40137f3e9ad3a4b26fa26978505d64 100644
--- a/fpdfsdk/javascript/ijs_runtime.h
+++ b/fpdfsdk/javascript/ijs_runtime.h
@@ -14,7 +14,7 @@
 #include "fxjs/include/fxjse.h"
 #endif  // PDF_ENABLE_XFA
 
-class CPDFDoc_Environment;
+class CPDFSDK_Environment;
 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(CPDFDoc_Environment* pEnv);
+  static IJS_Runtime* Create(CPDFSDK_Environment* pEnv);
   virtual ~IJS_Runtime() {}
 
   virtual IJS_Context* NewContext() = 0;