Add a convenience method to get the debugged context

include/v8-debug.h

 // Copyright 2008 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_V8_DEBUG_H_
 #define V8_V8_DEBUG_H_
 
 #include "v8.h"  // NOLINT(build/include)
 
 /**
@@ skipping 107 matching lines @@
      */
     virtual Local<Value> GetCallbackData() const = 0;
 
     /**
      * Client data passed to DebugBreakForCommand function. The
      * debugger takes ownership of the data and will delete it even if
      * there is no message handler.
      */
     virtual ClientData* GetClientData() const = 0;
 
+    virtual Isolate* GetIsolate() const = 0;
+
     virtual ~EventDetails() {}
   };
 
   /**
    * Debug event callback function.
    *
    * \param event_details object providing information about the debug event
    *
    * A EventCallback2 does not take possession of the event data,
    * and must not rely on the data persisting after the handler returns.
@@ skipping 114 matching lines @@
    * Debugger is running in its own context which is entered while debugger
    * messages are being dispatched. This is an explicit getter for this
    * debugger context. Note that the content of the debugger context is subject
    * to change. The Context exists only when the debugger is active, i.e. at
    * least one DebugEventListener or MessageHandler is set.
    */
   static Local<Context> GetDebugContext(Isolate* isolate);
   V8_DEPRECATED("Use version with an Isolate",
                 static Local<Context> GetDebugContext());
 
+  /**
+   * While in the debug context, this method returns the top-most non-debug
+   * context, if it exists.
+   */
+  static MaybeLocal<Context> GetDebuggedContext(Isolate* isolate);
 
   /**
    * Enable/disable LiveEdit functionality for the given Isolate
    * (default Isolate if not provided). V8 will abort if LiveEdit is
    * unexpectedly used. LiveEdit is enabled by default.
    */
   static void SetLiveEditEnabled(Isolate* isolate, bool enable);
 
   /**
    * Returns array of internal properties specific to the value type. Result has
@@ skipping 13 matching lines @@
 };
 
 
 }  // namespace v8
 
 
 #undef EXPORT
 
 
 #endif  // V8_V8_DEBUG_H_