Use UNLIKELY() macro in generated bindings for minimum argument count checks

Source/bindings/tests/results/V8TestEventTarget.cpp

Index: Source/bindings/tests/results/V8TestEventTarget.cpp
diff --git a/Source/bindings/tests/results/V8TestEventTarget.cpp b/Source/bindings/tests/results/V8TestEventTarget.cpp
index 40e2c64e54066f7be17bc7d4ffe394bea7312c9c..c423dc4d8e00dda509767519e5d6ae00bf3a3f6f 100644
--- a/Source/bindings/tests/results/V8TestEventTarget.cpp
+++ b/Source/bindings/tests/results/V8TestEventTarget.cpp
@@ -67,7 +67,7 @@ template <typename T> void V8_USE(T) { }
 
 static void itemMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 1) {
+    if (UNLIKELY(args.Length() < 1)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
@@ -86,7 +86,7 @@ static void itemMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 
 static void namedItemMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 1) {
+    if (UNLIKELY(args.Length() < 1)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }