[inspector] implemented blackboxing inside v8

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index f13a9313b4be59500fea62c328a35cdf9733ad92..233252711f322cd0191bee6ebcb2b01aa71bc6c8 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7446,6 +7446,9 @@ class SharedFunctionInfo: public HeapObject {
   // Indicates that |has_no_side_effect| has been computed and set.
   DECL_BOOLEAN_ACCESSORS(computed_has_no_side_effect)
 
+  // Indicates that the function should be skipped during stepping.
+  DECL_BOOLEAN_ACCESSORS(debug_is_blackboxed)
+
   inline FunctionKind kind() const;
   inline void set_kind(FunctionKind kind);
 
@@ -7735,6 +7738,7 @@ class SharedFunctionInfo: public HeapObject {
     kIsAsmWasmBroken,
     kHasNoSideEffect,
     kComputedHasNoSideEffect,
+    kDebugIsBlackboxed,
     kCompilerHintsCount,  // Pseudo entry
   };
   // kFunctionKind has to be byte-aligned