Implement handlified String::Equals and Name::Equals.

src/hydrogen.h

 // 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 2375 matching lines @@
 
     bool IsJSObjectFieldAccessor() {
       int offset;  // unused
       return Accessors::IsJSObjectFieldAccessor<Type>(type_, name_, &offset);
     }
 
     bool GetJSObjectFieldAccess(HObjectAccess* access) {
       int offset;
       if (Accessors::IsJSObjectFieldAccessor<Type>(type_, name_, &offset)) {
         if (type_->Is(Type::String())) {
-          ASSERT(name_->Equals(isolate()->heap()->length_string()));
+          ASSERT(String::Equals(isolate()->factory()->length_string(), name_));
           *access = HObjectAccess::ForStringLength();
         } else if (type_->Is(Type::Array())) {
-          ASSERT(name_->Equals(isolate()->heap()->length_string()));
+          ASSERT(String::Equals(isolate()->factory()->length_string(), name_));
           *access = HObjectAccess::ForArrayLength(map()->elements_kind());
         } else {
           *access = HObjectAccess::ForMapAndOffset(map(), offset);
         }
         return true;
       }
       return false;
     }
 
     bool has_holder() { return !holder_.is_null(); }
@@ skipping 388 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_