Add [NoImplHeader] extended attribute

Source/core/testing/PartialPrivateScriptTest.h

Index: Source/core/testing/PartialPrivateScriptTest.h
diff --git a/Source/core/testing/PartialPrivateScriptTest.h b/Source/core/testing/PartialPrivateScriptTest.h
deleted file mode 100644
index 5562fa6d799b93e7faf83b4dce873a11ea53519c..0000000000000000000000000000000000000000
--- a/Source/core/testing/PartialPrivateScriptTest.h
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2014 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.
-
-#ifndef PartialPrivateScriptTest_h
-#define PartialPrivateScriptTest_h
-
-namespace blink {
-
-// FIXME: This header file is needed because auto-generated binding tries to include
-// PartialPrivateScriptTest.h. We should improve the IDL compiler and remove this file.
-class PartialPrivateScriptTest {
-};
-
-} // namespace blink
-
-#endif