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diff --git a/src/3rdparty/v8/src/snapshot.h b/src/3rdparty/v8/src/snapshot.h
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+// Copyright 2006-2008 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// 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.
+
+#include "isolate.h"
+
+#ifndef V8_SNAPSHOT_H_
+#define V8_SNAPSHOT_H_
+
+namespace v8 {
+namespace internal {
+
+STATIC_CLASS Snapshot {
+ public:
+  // Initialize the VM from the given snapshot file. If snapshot_file is
+  // NULL, use the internal snapshot instead. Returns false if no snapshot
+  // could be found.
+  static bool Initialize(const char* snapshot_file = NULL);
+
+  // Create a new context using the internal partial snapshot.
+  static Handle<Context> NewContextFromSnapshot();
+
+  // Returns whether or not the snapshot is enabled.
+  static bool IsEnabled() { return size_ != 0; }
+
+  // Write snapshot to the given file. Returns true if snapshot was written
+  // successfully.
+  static bool WriteToFile(const char* snapshot_file);
+
+ private:
+  static const byte data_[];
+  static const byte context_data_[];
+  static const int new_space_used_;
+  static const int pointer_space_used_;
+  static const int data_space_used_;
+  static const int code_space_used_;
+  static const int map_space_used_;
+  static const int cell_space_used_;
+  static const int large_space_used_;
+  static const int size_;
+  static const int context_size_;
+
+  static bool Deserialize(const byte* content, int len);
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot);
+};
+
+} }  // namespace v8::internal
+
+#endif  // V8_SNAPSHOT_H_