[Extensions] Remove unused version of ScriptContext::CallFunction()

extensions/renderer/script_context.cc

Index: extensions/renderer/script_context.cc
diff --git a/extensions/renderer/script_context.cc b/extensions/renderer/script_context.cc
index c377b1c32f4cf66bb619f97121a46a6fa4b0f840..9fb03163d607e7d1051e88401fe7f8dc0301414a 100644
--- a/extensions/renderer/script_context.cc
+++ b/extensions/renderer/script_context.cc
@@ -219,12 +219,6 @@ void ScriptContext::SafeCallFunction(const v8::Local<v8::Function>& function,
   }
 }
 
-v8::Local<v8::Value> ScriptContext::CallFunction(
-    const v8::Local<v8::Function>& function) const {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  return CallFunction(function, 0, nullptr);
-}
-
 Feature::Availability ScriptContext::GetAvailability(
     const std::string& api_name) {
   DCHECK(thread_checker_.CalledOnValidThread());