Improve generated TypeError exception messages in bindings.

Source/bindings/scripts/code_generator_v8.pm

 # Copyright (C) 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006 Apple Computer, Inc.
 # Copyright (C) 2007, 2008, 2009, 2012 Google Inc.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 # Copyright (C) 2012 Ericsson AB. All rights reserved.
@@ skipping 2624 matching lines @@
     my $interface = shift;
 
     my $implClassName = GetImplName($interface);
     my $v8ClassName = GetV8ClassName($interface);
     my $code = "";
     $code .= "void ${v8ClassName}::constructorCallback(const v8::FunctionCallbackInfo<v8::Value>& args)\n";
     $code .= "{\n";
     $code .= "    TRACE_EVENT_SCOPED_SAMPLING_STATE(\"Blink\", \"DOMConstructor\");\n";
     $code .= GenerateFeatureObservation($interface->extendedAttributes->{"MeasureAs"});
     $code .= GenerateDeprecationNotification($interface->extendedAttributes->{"DeprecateAs"});
-    $code .= GenerateConstructorHeader();
+    $code .= GenerateConstructorHeader($implClassName);
     if (HasCustomConstructor($interface)) {
         $code .= "    ${v8ClassName}::constructorCustom(args);\n";
     } else {
         $code .= "    ${implClassName}V8Internal::constructor(args);\n";
     }
     $code .= "}\n\n";
     $implementation{nameSpaceWebCore}->add($code);
 }
 
 sub GenerateConstructor
@@ skipping 162 matching lines @@
 
 END
 
     my $code = "";
     $code .= <<END;
 static void ${v8ClassName}ConstructorCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
 END
     $code .= $maybeObserveFeature if $maybeObserveFeature;
     $code .= $maybeDeprecateFeature if $maybeDeprecateFeature;
-    $code .= GenerateConstructorHeader();
+    $code .= GenerateConstructorHeader($implClassName);
     AddToImplIncludes("V8Document.h");
     $code .= <<END;
     Document* document = currentDocument();
     ASSERT(document);
 
     // Make sure the document is added to the DOM Node map. Otherwise, the ${implClassName} instance
     // may end up being the only node in the map and get garbage-collected prematurely.
     toV8(document, args.Holder(), args.GetIsolate());
 
 END
@@ skipping 68 matching lines @@
 
     return scope.Close(result);
 }
 
 END
     $implementation{nameSpaceWebCore}->add($code);
 }
 
 sub GenerateConstructorHeader
 {
+    my $name = shift;
+
+    AddToImplIncludes("bindings/v8/ExceptionMessages.h");
     AddToImplIncludes("bindings/v8/V8ObjectConstructor.h");
     my $content = <<END;
     if (!args.IsConstructCall()) {
-        throwTypeError("DOM object constructor cannot be called as a function.", args.GetIsolate());
+        throwTypeError(ExceptionMessages::failedToConstruct("$name", "Please use the 'new' operator, this DOM object constructor cannot be called as a function."), args.GetIsolate());
         return;
     }
 
     if (ConstructorMode::current() == ConstructorMode::WrapExistingObject) {
         args.GetReturnValue().Set(args.Holder());
         return;
     }
 
 END
     return $content;
@@ skipping 3133 matching lines @@
         if ($currentInterface->extendedAttributes->{$extendedAttribute}) {
             $found = 1;
         }
         return 1 if $found;
     }, 0);
 
     return $found;
 }
 
 1;