Reland r20932: "*NumberDictionary::AtNumberPut() handlified."

src/objects.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 4175 matching lines @@
     : public Dictionary<SeededNumberDictionary,
                         SeededNumberDictionaryShape,
                         uint32_t> {
  public:
   static SeededNumberDictionary* cast(Object* obj) {
     ASSERT(obj->IsDictionary());
     return reinterpret_cast<SeededNumberDictionary*>(obj);
   }
 
   // Type specific at put (default NONE attributes is used when adding).
-  MUST_USE_RESULT MaybeObject* AtNumberPut(uint32_t key, Object* value);
+  MUST_USE_RESULT static Handle<SeededNumberDictionary> AtNumberPut(
+      Handle<SeededNumberDictionary> dictionary,
+      uint32_t key,
+      Handle<Object> value);
   MUST_USE_RESULT static Handle<SeededNumberDictionary> AddNumberEntry(
       Handle<SeededNumberDictionary> dictionary,
       uint32_t key,
       Handle<Object> value,
       PropertyDetails details);
 
   // Set an existing entry or add a new one if needed.
   // Return the updated dictionary.
   MUST_USE_RESULT static Handle<SeededNumberDictionary> Set(
       Handle<SeededNumberDictionary> dictionary,
@@ skipping 31 matching lines @@
     : public Dictionary<UnseededNumberDictionary,
                         UnseededNumberDictionaryShape,
                         uint32_t> {
  public:
   static UnseededNumberDictionary* cast(Object* obj) {
     ASSERT(obj->IsDictionary());
     return reinterpret_cast<UnseededNumberDictionary*>(obj);
   }
 
   // Type specific at put (default NONE attributes is used when adding).
-  MUST_USE_RESULT MaybeObject* AtNumberPut(uint32_t key, Object* value);
+  MUST_USE_RESULT static Handle<UnseededNumberDictionary> AtNumberPut(
+      Handle<UnseededNumberDictionary> dictionary,
+      uint32_t key,
+      Handle<Object> value);
   MUST_USE_RESULT static Handle<UnseededNumberDictionary> AddNumberEntry(
       Handle<UnseededNumberDictionary> dictionary,
       uint32_t key,
       Handle<Object> value);
 
   // Set an existing entry or add a new one if needed.
   // Return the updated dictionary.
   MUST_USE_RESULT static Handle<UnseededNumberDictionary> Set(
       Handle<UnseededNumberDictionary> dictionary,
       uint32_t key,
@@ skipping 7018 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_