Rename App to Env where needed.

fpdfsdk/javascript/cjs_context.cpp

Index: fpdfsdk/javascript/cjs_context.cpp
diff --git a/fpdfsdk/javascript/cjs_context.cpp b/fpdfsdk/javascript/cjs_context.cpp
index 4a6e4d3a64f3f52e22dbf10db4676ca5b9685270..3f13cd3dc10cd62783851c2c4fc57d77c2bd7993 100644
--- a/fpdfsdk/javascript/cjs_context.cpp
+++ b/fpdfsdk/javascript/cjs_context.cpp
@@ -21,8 +21,8 @@ CPDFSDK_Document* CJS_Context::GetReaderDocument() {
   return m_pRuntime->GetReaderDocument();
 }
 
-CPDFSDK_Environment* CJS_Context::GetReaderApp() {
-  return m_pRuntime->GetReaderApp();
+CPDFSDK_Environment* CJS_Context::GetReaderEnv() {
+  return m_pRuntime->GetReaderEnv();
 }
 
 FX_BOOL CJS_Context::RunScript(const CFX_WideString& script,