Revert of Use v8::MicrotasksScope internally in V8RecursionScope.

third_party/WebKit/Source/modules/fetch/ReadableStreamDataConsumerHandleTest.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/fetch/ReadableStreamDataConsumerHandle.h"
 
 #include "bindings/core/v8/ReadableStreamOperations.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8BindingMacros.h"
 #include "bindings/core/v8/V8GCController.h"
-#include "bindings/core/v8/V8RecursionScope.h"
 #include "core/dom/Document.h"
 #include "core/testing/DummyPageHolder.h"
 #include "modules/fetch/DataConsumerHandleTestUtil.h"
 #include "platform/heap/Handle.h"
 #include "platform/testing/UnitTestHelpers.h"
 #include "public/platform/WebDataConsumerHandle.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include <v8.h>
 
@@ skipping 31 matching lines @@
     {
     }
 
     ScriptState* scriptState() { return ScriptState::forMainWorld(m_page->document().frame()); }
     v8::Isolate* isolate() { return scriptState()->isolate(); }
 
     v8::MaybeLocal<v8::Value> eval(const char* s)
     {
         v8::Local<v8::String> source;
         v8::Local<v8::Script> script;
-        V8RecursionScope::MicrotaskSuppression microtasks(isolate());
         if (!v8Call(v8::String::NewFromUtf8(isolate(), s, v8::NewStringType::kNormal), source)) {
             ADD_FAILURE();
             return v8::MaybeLocal<v8::Value>();
         }
         if (!v8Call(v8::Script::Compile(scriptState()->context(), source), script)) {
             ADD_FAILURE() << "Compilation fails";
             return v8::MaybeLocal<v8::Value>();
         }
         return script->Run(scriptState()->context());
     }
@@ skipping 443 matching lines @@
     testing::runPendingTasks();
 
     checkpoint.Call(5);
     EXPECT_EQ(kUnexpectedError, reader->beginRead(&buffer, kNone, &available));
 }
 
 } // namespace
 
 } // namespace blink