DevTools: remove unused constant declarations and redundant parameter

Source/core/inspector/JavaScriptCallFrame.idl

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * 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.
  */
 
 [
     WillBeGarbageCollected,
     NoInterfaceObject,
     DoNotCheckConstants
 ] interface JavaScriptCallFrame {
-
-    // Scope type
-    const unsigned short GLOBAL_SCOPE = 0;
-    const unsigned short LOCAL_SCOPE = 1;
-    const unsigned short WITH_SCOPE = 2;
-    const unsigned short CLOSURE_SCOPE = 3;
-    const unsigned short CATCH_SCOPE = 4;
-
     [Custom] any evaluateWithExceptionDetails(DOMString script, [Default=Undefined] optional object scopeExtension);
     [Custom] any restart();
 
     // Only declarative scope (local, with and catch) is accepted. Returns undefined.
     [Custom] any setVariableValue([Default=Undefined] optional long scopeIndex, [TreatUndefinedAs=NullString, Default=Undefined] optional DOMString? variableName, [Default=Undefined] optional any newValue);
 
     readonly attribute JavaScriptCallFrame caller;
     readonly attribute long sourceID;
     readonly attribute long line;
     readonly attribute long column;
     [Custom=Getter] readonly attribute object[] scopeChain;
     [Custom] unsigned short scopeType(long scopeIndex);
     [Custom=Getter] readonly attribute object thisObject;
     readonly attribute DOMString stepInPositions;
     readonly attribute DOMString functionName;
     readonly attribute long functionLine;
     readonly attribute long functionColumn;
     readonly attribute boolean isAtReturn;
     [Custom=Getter] readonly attribute any returnValue;
 };