Add scope chain information to the debugger

src/runtime.h

 // 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
@@ skipping 270 matching lines @@
   F(DebugPropertyAttributesFromDetails, 1) \
   F(DebugPropertyIndexFromDetails, 1) \
   F(DebugInterceptorInfo, 1) \
   F(DebugNamedInterceptorPropertyNames, 1) \
   F(DebugIndexedInterceptorElementNames, 1) \
   F(DebugNamedInterceptorPropertyValue, 2) \
   F(DebugIndexedInterceptorElementValue, 2) \
   F(CheckExecutionState, 1) \
   F(GetFrameCount, 1) \
   F(GetFrameDetails, 2) \
+  F(GetScopeCount, 2) \
+  F(GetScopeDetails, 3) \
+  F(DebugPrintScopes, 0) \
   F(GetCFrames, 1) \
   F(GetThreadCount, 1) \
   F(GetThreadDetails, 2) \
   F(GetBreakLocations, 1) \
   F(SetFunctionBreakPoint, 3) \
   F(SetScriptBreakPoint, 3) \
   F(ClearBreakPoint, 1) \
   F(ChangeBreakOnException, 2) \
   F(PrepareStep, 3) \
   F(ClearStepping, 0) \
@@ skipping 96 matching lines @@
                                                 int position);
 
   // Helper functions used stubs.
   static void PerformGC(Object* result);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_