[inspector] changed a way of preserving stepping between tasks

src/debug/debug.h

 // Copyright 2012 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_DEBUG_DEBUG_H_
 #define V8_DEBUG_DEBUG_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/base/atomicops.h"
@@ skipping 314 matching lines @@
   void RecordGenerator(Handle<JSGeneratorObject> generator_object);
 
   void RunPromiseHook(PromiseHookType type, Handle<JSPromise> promise,
                       Handle<Object> parent);
 
   int NextAsyncTaskId(Handle<JSObject> promise);
 
   bool IsBlackboxed(Handle<SharedFunctionInfo> shared);
 
   void SetDebugDelegate(debug::DebugDelegate* delegate, bool pass_ownership);
+  void HandleCallCompleted();
 
   // Returns whether the operation succeeded.
   bool EnsureDebugInfo(Handle<SharedFunctionInfo> shared);
   void CreateDebugInfo(Handle<SharedFunctionInfo> shared);
   static Handle<DebugInfo> GetDebugInfo(Handle<SharedFunctionInfo> shared);
 
   template <typename C>
   bool CompileToRevealInnerFunctions(C* compilable);
 
   // This function is used in FunctionNameUsing* tests.
@@ skipping 454 matching lines @@
                                   Handle<Code> code);
   static bool DebugBreakSlotIsPatched(Address pc);
   static void ClearDebugBreakSlot(Isolate* isolate, Address pc);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_DEBUG_DEBUG_H_