Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/context-measure.h b/src/context-measure.h
new file mode 100644
index 0000000..665c547
--- /dev/null
+++ b/src/context-measure.h
@@ -0,0 +1,49 @@
+// Copyright 2015 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_CONTEXT_MEASURE_H_
+#define V8_CONTEXT_MEASURE_H_
+
+#include "src/address-map.h"
+#include "src/assert-scope.h"
+#include "src/objects.h"
+
+namespace v8 {
+namespace internal {
+
+class ContextMeasure : public ObjectVisitor {
+ public:
+ explicit ContextMeasure(Context* context);
+
+ int Size() { return size_; }
+ int Count() { return count_; }
+
+ void VisitPointers(Object** start, Object** end) override;
+
+ private:
+ void MeasureObject(HeapObject* object);
+ void MeasureDeferredObjects();
+ void MeasureAndRecurse(HeapObject* object);
+ bool IsShared(HeapObject* object);
+
+ Context* context_;
+
+ BackReferenceMap back_reference_map_;
+ RootIndexMap root_index_map_;
+
+ static const int kMaxRecursion = 16;
+ int recursion_depth_;
+ List<HeapObject*> deferred_objects_;
+
+ int count_;
+ int size_;
+
+ DisallowHeapAllocation no_gc_;
+
+ DISALLOW_COPY_AND_ASSIGN(ContextMeasure);
+};
+} // namespace internal
+} // namespace v8
+
+#endif // V8_CONTEXT_MEASURE_H_