Avoid to include IDL-generated headers from EventTarget.h and Node.h

third_party/WebKit/Source/core/frame/DOMTimerTest.cpp

 // Copyright 2017 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 "core/frame/DOMTimer.h"
 
 #include <vector>
 
 #include "bindings/core/v8/ScriptController.h"
+#include "bindings/core/v8/V8Binding.h"
 #include "core/dom/Document.h"
 #include "core/layout/LayoutTestHelper.h"
 #include "platform/testing/TestingPlatformSupport.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::DoubleNear;
 using testing::ElementsAreArray;
 using testing::Matcher;
 
@@ skipping 104 matching lines @@
   ExecuteScriptAndWaitUntilIdle(kSetIntervalScriptText);
 
   auto times(toDoubleArray(EvalExpression("times"), scope));
 
   EXPECT_THAT(times, ElementsAreArray(kExpectedTimings));
 }
 
 }  // namespace
 
 }  // namespace blink