[inspector] implemented blackboxing inside v8

src/debug/debug.h

Index: src/debug/debug.h
diff --git a/src/debug/debug.h b/src/debug/debug.h
index 649603fa01e86cfadb7c92d69007318a300198dc..9515321bc2df7387d41693c352fcc1cf974c6d40 100644
--- a/src/debug/debug.h
+++ b/src/debug/debug.h
@@ -466,6 +466,11 @@ class Debug {
 
   int NextAsyncTaskId(Handle<JSObject> promise);
 
+  void OnNewSharedFunctionInfo(Handle<SharedFunctionInfo> shared);
+
+  void SetIsBlackboxedCallback(debug::IsBlackboxedCallback callback,
+                               void* data);
+
   void SetDebugEventListener(debug::DebugEventListener* listener);
 
   // Returns whether the operation succeeded. Compilation can only be triggered
@@ -679,6 +684,9 @@ class Debug {
 
   debug::DebugEventListener* debug_event_listener_ = nullptr;
 
+  debug::IsBlackboxedCallback is_blackboxed_callback_ = nullptr;
+  void* is_blackboxed_callback_data_ = nullptr;
+
   static const int kQueueInitialSize = 4;
   base::Semaphore command_received_;  // Signaled for each command received.
   LockingCommandMessageQueue command_queue_;