Stop throwing exceptions for out-of-range accesses to CanvasArrays....

src/factory.h

 // Copyright 2006-2008 the V8 project authors. 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 234 matching lines @@
                                  Handle<String> message);
 
   static Handle<Object> NewTypeError(const char* type,
                                      Vector< Handle<Object> > args);
   static Handle<Object> NewTypeError(Handle<String> message);
 
   static Handle<Object> NewRangeError(const char* type,
                                       Vector< Handle<Object> > args);
   static Handle<Object> NewRangeError(Handle<String> message);
 
-  static Handle<Object> NewIndexError(uint32_t index);
-
   static Handle<Object> NewSyntaxError(const char* type, Handle<JSArray> args);
   static Handle<Object> NewSyntaxError(Handle<String> message);
 
   static Handle<Object> NewReferenceError(const char* type,
                                           Vector< Handle<Object> > args);
   static Handle<Object> NewReferenceError(Handle<String> message);
 
   static Handle<Object> NewEvalError(const char* type,
                                      Vector< Handle<Object> > args);
 
@@ skipping 118 matching lines @@
   // Update the map cache in the global context with (keys, map)
   static Handle<MapCache> AddToMapCache(Handle<Context> context,
                                         Handle<FixedArray> keys,
                                         Handle<Map> map);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_