[inspector] changed a way of preserving stepping between tasks

test/inspector/inspector-test.cc

 // Copyright 2016 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.
 
 #if !defined(_WIN32) && !defined(_WIN64)
 #include <unistd.h>  // NOLINT
 #endif               // !defined(_WIN32) && !defined(_WIN64)
 
 #include <locale.h>
 
@@ skipping 326 matching lines @@
   void AsyncRun(v8::Isolate* isolate,
                 const v8::Global<v8::Context>& global_context) override {
     v8::MicrotasksScope microtasks_scope(isolate,
                                          v8::MicrotasksScope::kRunMicrotasks);
     v8::HandleScope handle_scope(isolate);
     v8::Local<v8::Context> context = global_context.Get(isolate);
     v8::Context::Scope context_scope(context);
 
     v8::Local<v8::Function> function = function_.Get(isolate);
     v8::MaybeLocal<v8::Value> result;
-    v8_inspector::V8Inspector* inspector =
-        InspectorClientImpl::InspectorFromContext(context);
-    if (inspector) inspector->willExecuteScript(context, function->ScriptId());
     result = function->Call(context, context->Global(), 0, nullptr);
-    if (inspector) inspector->didExecuteScript(context);
   }
 
  private:
   v8::Global<v8::Function> function_;
 };
 
 class SetTimeoutExtension : public v8::Extension {
  public:
   SetTimeoutExtension()
       : v8::Extension("v8_inspector/setTimeout",
@@ skipping 322 matching lines @@
               argv[i]);
       Exit();
     }
     frontend_runner.Append(new ExecuteStringTask(chars));
   }
 
   frontend_runner.Join();
   backend_runner.Join();
   return 0;
 }