Remove some uses of MaybeObject methods.

src/objects-inl.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 655 matching lines @@
   return HAS_FAILURE_TAG(this)
     && Failure::cast(this)->type() == Failure::RETRY_AFTER_GC;
 }
 
 
 bool MaybeObject::IsException() {
   return this == Failure::Exception();
 }
 
 
-bool MaybeObject::IsTheHole() {
-  return !IsFailure() && ToObjectUnchecked()->IsTheHole();
-}
-
-
-bool MaybeObject::IsUninitialized() {
-  return !IsFailure() && ToObjectUnchecked()->IsUninitialized();
-}
-
-
 Failure* Failure::cast(MaybeObject* obj) {
   ASSERT(HAS_FAILURE_TAG(obj));
   return reinterpret_cast<Failure*>(obj);
 }
 
 
 bool Object::IsJSReceiver() {
   STATIC_ASSERT(LAST_JS_RECEIVER_TYPE == LAST_TYPE);
   return IsHeapObject() &&
       HeapObject::cast(this)->map()->instance_type() >= FIRST_JS_RECEIVER_TYPE;
@@ skipping 598 matching lines @@
   int smi_shift_bits = kSmiTagSize + kSmiShiftSize;
   return reinterpret_cast<Smi*>((value << smi_shift_bits) | kSmiTag);
 }
 
 
 Failure::Type Failure::type() const {
   return static_cast<Type>(value() & kFailureTypeTagMask);
 }
 
 
-bool Failure::IsInternalError() const {
-  return type() == INTERNAL_ERROR;
-}
-
-
 AllocationSpace Failure::allocation_space() const {
   ASSERT_EQ(RETRY_AFTER_GC, type());
   return static_cast<AllocationSpace>((value() >> kFailureTypeTagSize)
                                       & kSpaceTagMask);
 }
 
 
 Failure* Failure::InternalError() {
   return Construct(INTERNAL_ERROR);
 }
@@ skipping 5670 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_