Adjust some includes around SVGResourceClient and FilterOperation

third_party/WebKit/Source/core/svg/SVGResourceClient.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/svg/SVGResourceClient.h"
 
 #include "core/fetch/DocumentResourceReference.h"
 #include "core/layout/svg/LayoutSVGResourceContainer.h"
 #include "core/layout/svg/ReferenceFilterBuilder.h"
+#include "core/svg/SVGFilterElement.h"
 
 namespace blink {
 
 SVGResourceClient::SVGResourceClient() {
   ThreadState::current()->registerPreFinalizer(this);
 }
 
 SVGResourceClient::~SVGResourceClient() {}
 
 void SVGResourceClient::addFilterReferences(const FilterOperations& operations,
@@ skipping 56 matching lines @@
   filterNeedsInvalidation();
 }
 
 DEFINE_TRACE(SVGResourceClient) {
   visitor->trace(m_internalFilterReferences);
   visitor->trace(m_externalFilterReferences);
   DocumentResourceClient::trace(visitor);
 }
 
 }  // namespace blink