[objects] Extract DebugInfo and BreakPointInfo to own file

src/heap/heap.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.
 
 #ifndef V8_HEAP_HEAP_H_
 #define V8_HEAP_HEAP_H_
 
 #include <cmath>
 #include <vector>
 
@@ skipping 320 matching lines @@
   V(TwoPointerFillerMap)                \
   V(UndefinedCell)                      \
   V(UndefinedMap)                       \
   V(UndefinedValue)                     \
   V(UninitializedMap)                   \
   V(UninitializedValue)                 \
   V(WeakCellMap)                        \
   V(WithContextMap)                     \
   PRIVATE_SYMBOL_LIST(V)
 
+#define FIXED_ARRAY_ELEMENTS_WRITE_BARRIER(heap, array, start, length) \
+  do {                                                                 \
+    heap->RecordFixedArrayElements(array, start, length);              \
+    heap->incremental_marking()->IterateBlackObject(array);            \
+  } while (false)
+
 // Forward declarations.
 class AllocationObserver;
 class ArrayBufferTracker;
 class ConcurrentMarking;
 class GCIdleTimeAction;
 class GCIdleTimeHandler;
 class GCIdleTimeHeapState;
 class GCTracer;
 class HeapObjectsFilter;
 class HeapStats;
@@ skipping 2284 matching lines @@
   friend class PagedSpace;
   DISALLOW_COPY_AND_ASSIGN(AllocationObserver);
 };
 
 V8_EXPORT_PRIVATE const char* AllocationSpaceName(AllocationSpace space);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_HEAP_H_