Replace Strings with Names in load and store ICs.

src/accessors.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ACCESSORS_H_
 #define V8_ACCESSORS_H_
 
 #include "src/allocation.h"
 #include "src/globals.h"
 
@@ skipping 60 matching lines @@
   static Handle<Object> FunctionGetArguments(Handle<JSFunction> object);
 
   // Accessor infos.
   static Handle<AccessorInfo> MakeModuleExport(
       Handle<String> name, int index, PropertyAttributes attributes);
 
   // Returns true for properties that are accessors to object fields.
   // If true, *object_offset contains offset of object field.
   template <class T>
   static bool IsJSObjectFieldAccessor(typename T::TypeHandle type,
-                                      Handle<String> name,
+                                      Handle<Name> name,
                                       int* object_offset);
 
   static Handle<AccessorInfo> MakeAccessor(
       Isolate* isolate,
       Handle<String> name,
       AccessorGetterCallback getter,
       AccessorSetterCallback setter,
       PropertyAttributes attributes);
 
   static Handle<ExecutableAccessorInfo> CloneAccessor(
       Isolate* isolate,
       Handle<ExecutableAccessorInfo> accessor);
 
 
  private:
   // Helper functions.
   static Handle<Object> FlattenNumber(Isolate* isolate, Handle<Object> value);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ACCESSORS_H_