Simplify Custom Element constructors to be functions, not wrappers

Source/bindings/tests/idls/TestObject.idl

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary formstrArg, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 14 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 // This IDL file is for testing the bindings code generator and for tracking
 // changes in its ouput.
 
 enum TestEnumType { "", "EnumValue1", "EnumValue2", "EnumValue3" };
 
+callback TestCallbackFunction = void (TestEnumType formal1, TestObject formal2);
+
 [
     Constructor(TestCallback testCallback),
     ImplementedAs=TestObj
 ] interface TestObject {
     // Attributes
     readonly attribute long            readOnlyLongAttr;
     readonly attribute DOMString       readOnlyStringAttr;
     readonly attribute TestObject         readOnlyTestObjectAttr;
     static readonly attribute long     staticReadOnlyLongAttr;
     static attribute DOMString         staticStringAttr;
@@ skipping 126 matching lines @@
     [Conditional=Condition1] attribute TestObjectectAConstructor conditionalAttr4;
     [Conditional=Condition1&Condition2] attribute TestObjectectBConstructor conditionalAttr5;
     [Conditional=Condition1|Condition2] attribute TestObjectectCConstructor conditionalAttr6;
 
     [Conditional=Condition1] const unsigned short CONDITIONAL_CONST = 0;
 
     readonly attribute any cachedAttribute1;
     readonly attribute any cachedAttribute2;
     
     attribute any anyAttribute;
+    any anyReturnValue();
+
+    attribute TestCallbackFunction callbackFunctionAttribute;
+    TestCallbackFunction callbackFunctionReturnValue();
+    void callbackFunctionArgument(TestCallbackFunction f);
 
     // Overloads
     void    overloadedMethod(TestObject? objArg, [StrictTypeChecking] DOMString strArg);
     void    overloadedMethod(TestObject? objArg, optional long longArg);
     void    overloadedMethod([StrictTypeChecking] DOMString strArg);
     void    overloadedMethod(long longArg);
     void    overloadedMethod(TestCallback callback);
     void    overloadedMethod(DOMStringList? listArg);
     void    overloadedMethod(DOMString[]? arrayArg);
     void    overloadedMethod(TestObject objArg);
@@ skipping 110 matching lines @@
     [DeprecateAs=StaticReadonlyAttribute] static readonly attribute long deprecatedStaticReadOnlyAttr;
     [DeprecateAs=StaticAttribute] static attribute long deprecatedStaticAttr;
     [DeprecateAs=ReadonlyAttribute] readonly attribute long deprecatedReadonlyAttr;
     [DeprecateAs=Attribute] attribute long deprecatedAttr;
 
     [DeprecateAs=Method] void deprecatedMethod();
     [DeprecateAs=StaticMethod] static void deprecatedStaticMethod();
 
     [DeprecateAs=Constant] const unsigned short DEPRECATED_CONSTANT = 1;
 };