Fixed bool <-> Executability confusion and improved typing a bit.

src/spaces-inl.h

 // Copyright 2006-2010 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 276 matching lines @@
 
 bool Page::IsLargeObjectPage() {
   return !GetPageFlag(IS_NORMAL_PAGE);
 }
 
 
 void Page::SetIsLargeObjectPage(bool is_large_object_page) {
   SetPageFlag(IS_NORMAL_PAGE, !is_large_object_page);
 }
 
-bool Page::IsPageExecutable() {
-  return GetPageFlag(IS_EXECUTABLE);
+Executability Page::PageExecutability() {
+  return GetPageFlag(IS_EXECUTABLE) ? EXECUTABLE : NOT_EXECUTABLE;
 }
 
 
-void Page::SetIsPageExecutable(bool is_page_executable) {
-  SetPageFlag(IS_EXECUTABLE, is_page_executable);
+void Page::SetPageExecutability(Executability executable) {
+  SetPageFlag(IS_EXECUTABLE, executable == EXECUTABLE);
 }
 
 
 // -----------------------------------------------------------------------------
 // MemoryAllocator
 
 void MemoryAllocator::ChunkInfo::init(Address a, size_t s, PagedSpace* o) {
   address_ = a;
   size_ = s;
   owner_ = o;
@@ skipping 177 matching lines @@
 
 bool FreeListNode::IsFreeListNode(HeapObject* object) {
   return object->map() == HEAP->raw_unchecked_byte_array_map()
       || object->map() == HEAP->raw_unchecked_one_pointer_filler_map()
       || object->map() == HEAP->raw_unchecked_two_pointer_filler_map();
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_INL_H_