Make some foo.h headers usable without foo-inl.h header.

src/objects-inl.h

 // 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 135 matching lines @@
 bool Object::IsExternal() const {
   return Object::IsHeapObject() &&
       HeapObject::cast(this)->map() ==
       HeapObject::cast(this)->GetHeap()->external_map();
 }
 
 
 bool Object::IsAccessorInfo() const { return IsExecutableAccessorInfo(); }
 
 
-bool Object::IsSmi() const {
-  return HAS_SMI_TAG(this);
-}
-
-
-bool Object::IsHeapObject() const {
-  return Internals::HasHeapObjectTag(this);
-}
-
-
 TYPE_CHECKER(HeapNumber, HEAP_NUMBER_TYPE)
 TYPE_CHECKER(MutableHeapNumber, MUTABLE_HEAP_NUMBER_TYPE)
 TYPE_CHECKER(Symbol, SYMBOL_TYPE)
 TYPE_CHECKER(Simd128Value, SIMD128_VALUE_TYPE)
 
 
 #define SIMD128_TYPE_CHECKER(TYPE, Type, type, lane_count, lane_type) \
   bool Object::Is##Type() const {                                     \
     return Object::IsHeapObject() &&                                  \
            HeapObject::cast(this)->map() ==                           \
@@ skipping 7726 matching lines @@
 #undef READ_INT64_FIELD
 #undef WRITE_INT64_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_