Remove deprecated string features.

runtime/vm/intermediate_language.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 55 matching lines @@
   V(_ExternalUint8ClampedArray, _setIndexed,                                   \
     ExternalUint8ClampedArraySetIndexed, 335716123)                            \
   V(_Int16Array, _setIndexed, Int16ArraySetIndexed, 12169534)                  \
   V(_Uint16Array, _setIndexed, Uint16ArraySetIndexed, 36054302)                \
   V(_Int32Array, _setIndexed, Int32ArraySetIndexed, 306194131)                 \
   V(_Uint32Array, _setIndexed, Uint32ArraySetIndexed, 410753485)               \
   V(_GrowableObjectArray, get:length, GrowableArrayLength, 725548050)          \
   V(_GrowableObjectArray, get:_capacity, GrowableArrayCapacity, 725548050)     \
   V(_StringBase, get:length, StringBaseLength, 320803993)                      \
   V(_StringBase, get:isEmpty, StringBaseIsEmpty, 711547329)                    \
-  V(_StringBase, charCodeAt, StringBaseCharCodeAt, 984449525)                  \
+  V(_StringBase, codeUnitAt, StringBaseCodeUnitAt, 984449525)                  \
   V(_StringBase, [], StringBaseCharAt, 1062366987)                             \
   V(_IntegerImplementation, toDouble, IntegerToDouble, 733149324)              \
   V(_Double, toInt, DoubleToInteger, 362666636)                                \
   V(_Double, truncate, DoubleTruncate, 620870996)                              \
   V(_Double, round, DoubleRound, 620870996)                                    \
   V(_Double, floor, DoubleFloor, 620870996)                                    \
   V(_Double, ceil, DoubleCeil, 620870996)                                      \
   V(_Double, pow, DoublePow, 1131958048)                                       \
   V(_Double, _modulo, DoubleMod, 437099337)                                    \
   V(::, sqrt, MathSqrt, 1662640002)                                            \
@@ skipping 4457 matching lines @@
   ForwardInstructionIterator* current_iterator_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_