Add helper functions for throwing arity-related TypeErrors

Source/bindings/tests/results/V8TestInterface2.cpp

Index: Source/bindings/tests/results/V8TestInterface2.cpp
diff --git a/Source/bindings/tests/results/V8TestInterface2.cpp b/Source/bindings/tests/results/V8TestInterface2.cpp
index 2e262406df739b196628e1b95330da548c6acaab..7a83bcbf5d3e166e8c29685f7196d0e167d43546 100644
--- a/Source/bindings/tests/results/V8TestInterface2.cpp
+++ b/Source/bindings/tests/results/V8TestInterface2.cpp
@@ -52,8 +52,7 @@ static void itemMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "item", "TestInterface2", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestInterface2* impl = V8TestInterface2::toNative(info.Holder());
@@ -75,8 +74,7 @@ static void setItemMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "setItem", "TestInterface2", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 2, info.Length());
         return;
     }
     TestInterface2* impl = V8TestInterface2::toNative(info.Holder());
@@ -99,8 +97,7 @@ static void deleteItemMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "deleteItem", "TestInterface2", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestInterface2* impl = V8TestInterface2::toNative(info.Holder());
@@ -122,8 +119,7 @@ static void namedItemMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "namedItem", "TestInterface2", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestInterface2* impl = V8TestInterface2::toNative(info.Holder());
@@ -145,8 +141,7 @@ static void setNamedItemMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "setNamedItem", "TestInterface2", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 2, info.Length());
         return;
     }
     TestInterface2* impl = V8TestInterface2::toNative(info.Holder());
@@ -169,8 +164,7 @@ static void deleteNamedItemMethod(const v8::FunctionCallbackInfo<v8::Value>& inf
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "deleteNamedItem", "TestInterface2", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestInterface2* impl = V8TestInterface2::toNative(info.Holder());