Make assertion scopes thread safe.

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 11 matching lines @@
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include "allocation.h"
+#include "assert-scope.h"
 #include "builtins.h"
 #include "elements-kind.h"
 #include "list.h"
 #include "property-details.h"
 #include "smart-pointers.h"
 #include "unicode-inl.h"
 #if V8_TARGET_ARCH_ARM
 #include "arm/constants-arm.h"
 #elif V8_TARGET_ARCH_MIPS
 #include "mips/constants-mips.h"
@@ skipping 1369 matching lines @@
   static inline Object** RawField(HeapObject* obj, int offset);
 
   // Casting.
   static inline HeapObject* cast(Object* obj);
 
   // Return the write barrier mode for this. Callers of this function
   // must be able to present a reference to an AssertNoAllocation
   // object as a sign that they are not going to use this function
   // from code that allocates and thus invalidates the returned write
   // barrier mode.
-  inline WriteBarrierMode GetWriteBarrierMode(const AssertNoAllocation&);
+  inline WriteBarrierMode GetWriteBarrierMode(
+      const DisallowHeapAllocation& promise);
 
   // Dispatched behavior.
   void HeapObjectShortPrint(StringStream* accumulator);
 #ifdef OBJECT_PRINT
   inline void HeapObjectPrint() {
     HeapObjectPrint(stdout);
   }
   void HeapObjectPrint(FILE* out);
   void PrintHeader(FILE* out, const char* id);
 #endif
@@ skipping 8197 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_