[bindings] Eliminate custom bindings for DeviceOrientationEvent.

Source/bindings/tests/idls/core/TestObject.idl

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 485 matching lines @@
     // [Default]
     void voidMethodDefaultUndefinedTestInterfaceEmptyArg([Default=Undefined] optional TestInterfaceEmpty defaultUndefinedTestInterfaceEmptyArg);
     void voidMethodDefaultUndefinedLongArg([Default=Undefined] optional long defaultUndefinedLongArg);
     void voidMethodDefaultUndefinedStringArg([Default=Undefined] optional DOMString defaultUndefinedStringArg);
     // [EnforceRange]
     void voidMethodEnforceRangeLongArg([EnforceRange] long enforceRangeLongArg);
     // [TreatNullAs], [TreatUndefinedAs]
     void voidMethodTreatNullAsEmptyStringStringArg([TreatNullAs=EmptyString] DOMString treatNullAsEmptyStringStringArg);
     void voidMethodTreatNullAsNullStringStringArg([TreatNullAs=NullString] DOMString treatNullAsNullStringStringArg);
     void voidMethodTreatNullAsNullStringTreatUndefinedAsNullStringStringArg([TreatNullAs=NullString, TreatUndefinedAs=NullString] DOMString treatNullAsNullStringStringArg);
+    void voidMethodTreadUndefinedAsNull(double firstArg, optional long secondArg, [Default=Undefined, TreatUndefinedAs=Null] optional double optionalDoubleArg);
 
     // Extended attributes for methods
     [LogActivity, LogAllWorlds] void activityLoggingAccessForAllWorldsMethod();
     [CallWith=ExecutionContext] void callWithExecutionContextVoidMethod();
     [CallWith=ScriptState] void callWithScriptStateVoidMethod();
     [CallWith=ScriptState] long callWithScriptStateLongMethod();
     [CallWith=(ScriptState,ExecutionContext)] void callWithScriptStateExecutionContextVoidMethod();
     [CallWith=(ScriptState,ScriptArguments)] void callWithScriptStateScriptArgumentsVoidMethod();
     [CallWith=(ScriptState,ScriptArguments)] void callWithScriptStateScriptArgumentsVoidMethodOptionalBooleanArg(optional boolean optionalBooleanArg);
     [CallWith=ActiveWindow] void callWithActiveWindow();
@@ skipping 91 matching lines @@
     [ImplementedInPrivateScript] attribute DOMString stringAttribute;
     [ImplementedInPrivateScript] attribute Node nodeAttribute;
     [OnlyExposedToPrivateScript] short methodImplementedInCPPForPrivateScriptOnly(short value1, short value2);
     [OnlyExposedToPrivateScript] attribute DOMString attributeImplementedInCPPForPrivateScriptOnly;
     [ImplementedInPrivateScript, OnlyExposedToPrivateScript] short methodForPrivateScriptOnly(short value1, short value2);
     [ImplementedInPrivateScript, OnlyExposedToPrivateScript] attribute DOMString attributeForPrivateScriptOnly;
     [ImplementedInPrivateScript] attribute TestEnum enumForPrivateScript;
 
     maplike<long, DOMStringOrDouble>;
 };