Improve generated "Not enough arguments." TypeError exceptions.

Source/bindings/v8/ExceptionMessages.cpp

Index: Source/bindings/v8/ExceptionMessages.cpp
diff --git a/Source/bindings/v8/ExceptionMessages.cpp b/Source/bindings/v8/ExceptionMessages.cpp
index 0309f1dd5b723e7b4d9f15c515bf08b5e9ad0e23..f8d6a55e0d623c178c644077b30c94c19f050eb3 100644
--- a/Source/bindings/v8/ExceptionMessages.cpp
+++ b/Source/bindings/v8/ExceptionMessages.cpp
@@ -33,6 +33,11 @@
 
 namespace WebCore {
 
+String ExceptionMessages::failedToConstruct(const String& type, const String& detail)
+{
+    return "Failed to construct '" + type + (!detail.isEmpty() ? String("': " + detail) : String("'"));
+}
+
 String ExceptionMessages::failedToExecute(const String& method, const String& type, const String& detail)
 {
     return "Failed to execute '" + method + "' on '" + type + (!detail.isEmpty() ? String("': " + detail) : String("'"));
@@ -48,4 +53,9 @@ String ExceptionMessages::failedToSet(const String& property, const String& type
     return "Failed to set the '" + property + "' property on '" + type + "': " + detail;
 }
 
+String ExceptionMessages::notEnoughArguments(unsigned expected, unsigned provided)
+{
+    return String::number(expected) + " argument" + (expected > 1 ? "s" : "") + " required, but only " + String::number(provided) + " present.";
+}
+
 } // namespace WebCore