Remove special charAt and charCodeAt handling in the ICs.

src/type-info.cc

 // Copyright 2012 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 161 matching lines @@
     }
   }
   return STANDARD_STORE;
 }
 
 
 void TypeFeedbackOracle::CallReceiverTypes(TypeFeedbackId id,
                                            Handle<String> name,
                                            int arity,
                                            SmallMapList* types) {
-  // Note: Currently we do not take string extra ic data into account
-  // here.
   Code::Flags flags = Code::ComputeMonomorphicFlags(
       Code::CALL_IC, kNoExtraICState, OWN_MAP, Code::NORMAL, arity);
   CollectReceiverTypes(id, name, flags, types);
 }
 
 
 CheckType TypeFeedbackOracle::GetCallCheckType(TypeFeedbackId id) {
   Handle<Object> value = GetInfo(id);
   if (!value->IsSmi()) return RECEIVER_MAP_CHECK;
   CheckType check = static_cast<CheckType>(Smi::cast(*value)->value());
@@ skipping 374 matching lines @@
 #ifdef DEBUG
   Object* result = NULL;
   // Dictionary has been allocated with sufficient size for all elements.
   ASSERT(maybe_result->ToObject(&result));
   ASSERT(*dictionary_ == result);
 #endif
 }
 
 
 } }  // namespace v8::internal