[inspector] implemented blackboxing inside v8

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 7428 matching lines @@
 
   // Indicates that asm->wasm conversion failed and should not be re-attempted.
   DECL_BOOLEAN_ACCESSORS(is_asm_wasm_broken)
 
   // Indicates that the function cannot cause side-effects.
   DECL_BOOLEAN_ACCESSORS(has_no_side_effect)
 
   // 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);
 
   // Indicates whether or not the code in the shared function support
   // deoptimization.
   inline bool has_deoptimization_support();
 
   // Enable deoptimization support through recompiled code.
   void EnableDeoptimizationSupport(Code* recompiled);
 
@@ skipping 269 matching lines @@
 
     kUnused,  // unused.
     // byte 2
     kFunctionKind,
     // rest of byte 2 and first two bits of byte 3 are used by FunctionKind
     // byte 3
     kDeserialized = kFunctionKind + 10,
     kIsAsmWasmBroken,
     kHasNoSideEffect,
     kComputedHasNoSideEffect,
+    kDebugIsBlackboxed,
     kCompilerHintsCount,  // Pseudo entry
   };
   // kFunctionKind has to be byte-aligned
   STATIC_ASSERT((kFunctionKind % kBitsPerByte) == 0);
 
   class FunctionKindBits : public BitField<FunctionKind, kFunctionKind, 10> {};
 
   class DeoptCountBits : public BitField<int, 0, 4> {};
   class OptReenableTriesBits : public BitField<int, 4, 18> {};
   class ICAgeBits : public BitField<int, 22, 8> {};
@@ skipping 3903 matching lines @@
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #include "src/objects/object-macros-undef.h"
 
 #endif  // V8_OBJECTS_H_