Componentization: make core classes visible for blink_tests and blink_web.

Source/core/dom/Attr.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef Attr_h
 #define Attr_h
 
+#include "core/CoreExport.h"
 #include "core/dom/Node.h"
 #include "core/dom/QualifiedName.h"
 
 namespace blink {
 
-class Attr final : public Node {
+class CORE_EXPORT Attr final : public Node {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<Attr> create(Element&, const QualifiedName&);
     static PassRefPtrWillBeRawPtr<Attr> create(Document&, const QualifiedName&, const AtomicString& value);
     virtual ~Attr();
 
     String name() const { return m_name.toString(); }
     bool specified() const { return true; }
     Element* ownerElement() const { return m_element; }
 
@@ skipping 38 matching lines @@
     // differ from m_name's local name. As these two modes are non-overlapping,
     // use a single field.
     AtomicString m_standaloneValueOrAttachedLocalName;
 };
 
 DEFINE_NODE_TYPE_CASTS(Attr, isAttributeNode());
 
 } // namespace blink
 
 #endif // Attr_h