Move V8 to external/v8

Change-Id: If68025d67453785a651c5dfb34fad298c16676a4
diff --git a/src/shell.h b/src/shell.h
new file mode 100644
index 0000000..ca51040
--- /dev/null
+++ b/src/shell.h
@@ -0,0 +1,55 @@
+// 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.
+//
+// A simple interactive shell.  Enable with --shell.
+
+#ifndef V8_SHELL_H_
+#define V8_SHELL_H_
+
+#include "../public/debug.h"
+
+namespace v8 {
+namespace internal {
+
+// Debug event handler for interactive debugging.
+void handle_debug_event(v8::DebugEvent event,
+                        v8::Handle<v8::Object> exec_state,
+                        v8::Handle<v8::Object> event_data,
+                        v8::Handle<Value> data);
+
+
+class Shell {
+ public:
+  static void PrintObject(v8::Handle<v8::Value> obj);
+  // Run the read-eval loop, executing code in the specified
+  // environment.
+  static void Run(v8::Handle<v8::Context> context);
+};
+
+} }  // namespace v8::internal
+
+#endif  // V8_SHELL_H_