Add Perl IDL support for method parameter type sequence<Dictionary>

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 75 matching lines @@
     TestObject objMethodWithArgs(long longArg, DOMString strArg, TestObject objArg);
 
     void methodWithSequenceArg(sequence<TestInterface> sequenceArg);
     sequence<TestInterface> methodReturningSequence(long longArg);
 
     void methodWithEnumArg(TestEnumType enumArg);
     [RaisesException] TestObject methodThatRequiresAllArgsAndThrows(DOMString strArg, TestObject objArg);
 
     void serializedValue(SerializedScriptValue serializedArg);
     void optionsObject(Dictionary oo, optional Dictionary ooo);
+    void optionsObjectList(sequence<Dictionary> list);
 
     // Indexed/named properties
     [ImplementedAs=item] getter Node (unsigned long index);
     [ImplementedAs=namedItem] getter DOMString (DOMString name);
 
     // Exceptions
     [RaisesException] void methodWithException();
     [RaisesException=Getter] attribute long attrWithGetterException;
     [RaisesException=Setter] attribute long attrWithSetterException;
     [RaisesException=Getter] attribute DOMString stringAttrWithGetterException;
@@ skipping 193 matching lines @@
     [DeprecateAs=Constant] const unsigned short DEPRECATED_CONSTANT = 1;
 
     // PutForwards
     [PutForwards=href] readonly attribute TestNode location;
     [PutForwards=hrefThrows] readonly attribute TestNode locationWithException;
 };
 
 // The following comment should not generate any code
 // TestObject implements TestImplements;