Remove unnecessary uses of HTMLDocument

third_party/WebKit/Source/core/dom/custom/CustomElementsRegistryTest.cpp

 // Copyright 2016 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/dom/custom/CustomElementsRegistry.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/dom/ElementRegistrationOptions.h"
 #include "core/dom/custom/CEReactionsScope.h"
 #include "core/dom/custom/CustomElementDefinition.h"
 #include "core/dom/custom/CustomElementDefinitionBuilder.h"
 #include "core/dom/custom/CustomElementDescriptor.h"
 #include "core/dom/custom/CustomElementTestHelpers.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/dom/shadow/ShadowRootInit.h"
-#include "core/html/HTMLDocument.h"
 #include "core/testing/DummyPageHolder.h"
 #include "platform/ScriptForbiddenScope.h"
 #include "platform/heap/Handle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/text/AtomicString.h"
 #include <memory>
 
 namespace blink {
 
 class CustomElementsRegistryTestBase : public ::testing::Test {
@@ skipping 438 matching lines @@
         << "remove() should invoke disconnectedCallback";
 
     EXPECT_EQ(1u, definition->m_logs.size())
         << "remove() should not invoke other callbacks";
 }
 
 // TODO(dominicc): Add tests which adjust the "is" attribute when type
 // extensions are implemented.
 
 } // namespace blink