Remove some unused default values in cfxjse_context.h.

Callers already explicitly pass nullptr as needed.

Change-Id: I8cf9d4951ec1b75cf90dccc1b53bfcd6fb6a42e6
Reviewed-on: https://pdfium-review.googlesource.com/38450
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
diff --git a/fxjs/cfxjse_context.h b/fxjs/cfxjse_context.h
index 91c76d4..e0e5eeb 100644
--- a/fxjs/cfxjse_context.h
+++ b/fxjs/cfxjse_context.h
@@ -49,9 +49,9 @@
 };
 
 void FXJSE_UpdateObjectBinding(v8::Local<v8::Object>& hObject,
-                               CFXJSE_HostObject* lpNewBinding = nullptr);
+                               CFXJSE_HostObject* lpNewBinding);
 
 CFXJSE_HostObject* FXJSE_RetrieveObjectBinding(v8::Local<v8::Object> hJSObject,
-                                               CFXJSE_Class* lpClass = nullptr);
+                                               CFXJSE_Class* lpClass);
 
 #endif  // FXJS_CFXJSE_CONTEXT_H_