Reland r20652 "Handlify and convert string.length to new API-style accessor."

src/bootstrapper.cc

 // Copyright 2014 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.
 
 #include "bootstrapper.h"
 
 #include "accessors.h"
 #include "isolate-inl.h"
 #include "natives.h"
 #include "snapshot.h"
@@ skipping 893 matching lines @@
                         isolate->initial_object_prototype(),
                         Builtins::kIllegal, true, true);
     string_fun->shared()->set_construct_stub(
         isolate->builtins()->builtin(Builtins::kStringConstructCode));
     native_context()->set_string_function(*string_fun);
 
     Handle<Map> string_map =
         Handle<Map>(native_context()->string_function()->initial_map());
     Map::EnsureDescriptorSlack(string_map, 1);
 
-    Handle<Foreign> string_length(
-        factory->NewForeign(&Accessors::StringLength));
     PropertyAttributes attribs = static_cast<PropertyAttributes>(
         DONT_ENUM | DONT_DELETE | READ_ONLY);
+    Handle<AccessorInfo> string_length(
+        Accessors::StringLengthInfo(isolate, attribs));
 
     {  // Add length.
       CallbacksDescriptor d(factory->length_string(), string_length, attribs);
       string_map->AppendDescriptor(&d);
     }
   }
 
   {  // --- D a t e ---
     // Builtin functions for Date.prototype.
     Handle<JSFunction> date_fun =
@@ skipping 1761 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   ASSERT(!IsActive());
 }
 
 } }  // namespace v8::internal