Rename CurrentMapForDeprecated to TryUpdate, and introduce Map::Update which potentially deprecates

src/type-info.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/ast.h"
 #include "src/code-stubs.h"
 #include "src/compiler.h"
 #include "src/ic.h"
@@ skipping 182 matching lines @@
   if (!info->IsCode()) {
     // For some comparisons we don't have ICs, e.g. LiteralCompareTypeof.
     *left_type = *right_type = *combined_type = Type::None(zone());
     return;
   }
   Handle<Code> code = Handle<Code>::cast(info);
 
   Handle<Map> map;
   Map* raw_map = code->FindFirstMap();
   if (raw_map != NULL) {
-    if (Map::CurrentMapForDeprecated(handle(raw_map)).ToHandle(&map) &&
+    if (Map::TryUpdate(handle(raw_map)).ToHandle(&map) &&
         CanRetainOtherContext(*map, *native_context_)) {
       map = Handle<Map>::null();
     }
   }
 
   if (code->is_compare_ic_stub()) {
     int stub_minor_key = code->stub_info();
     CompareIC::StubInfoToType(
         stub_minor_key, left_type, right_type, combined_type, map, zone());
   } else if (code->is_compare_nil_ic_stub()) {
@@ skipping 262 matching lines @@
          UnseededNumberDictionary::kNotFound);
   // Dictionary has been allocated with sufficient size for all elements.
   DisallowHeapAllocation no_need_to_resize_dictionary;
   HandleScope scope(isolate());
   USE(UnseededNumberDictionary::AtNumberPut(
       dictionary_, IdToKey(ast_id), handle(target, isolate())));
 }
 
 
 } }  // namespace v8::internal