Componentization: make core/dom visible for blink_web and blink_tests.

Source/core/dom/NodeRenderingTraversal.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef NodeRenderingTraversal_h
 #define NodeRenderingTraversal_h
 
+#include "core/CoreExport.h"
 #include "core/dom/Element.h"
 
 namespace blink {
 
 class InsertionPoint;
 class LayoutObject;
 
 namespace NodeRenderingTraversal {
 
 class ParentDetails {
     STACK_ALLOCATED();
 public:
     ParentDetails()
         : m_insertionPoint(nullptr)
     { }
 
     const InsertionPoint* insertionPoint() const { return m_insertionPoint; }
 
     void didTraverseInsertionPoint(const InsertionPoint*);
 
     bool operator==(const ParentDetails& other)
     {
         return m_insertionPoint == other.m_insertionPoint;
     }
 
 private:
     RawPtrWillBeMember<const InsertionPoint> m_insertionPoint;
 };
 
-ContainerNode* parent(const Node&, ParentDetails* = 0);
+CORE_EXPORT ContainerNode* parent(const Node&, ParentDetails* = 0);
 bool contains(const ContainerNode&, const Node&);
-Node* firstChild(const Node&);
-Node* nextSibling(const Node&);
+CORE_EXPORT Node* firstChild(const Node&);
+CORE_EXPORT Node* nextSibling(const Node&);
 Node* previousSibling(const Node&);
 Node* previous(const Node&, const Node* stayWithin);
 Node* next(const Node&, const Node* stayWithin);
 Node* nextSkippingChildren(const Node&, const Node* stayWithin);
 LayoutObject* nextSiblingRenderer(const Node&);
 LayoutObject* previousSiblingRenderer(const Node&);
 LayoutObject* nextInTopLayer(const Element&);
 
 inline Element* parentElement(const Node& node)
 {
     ContainerNode* found = parent(node);
     return found && found->isElementNode() ? toElement(found) : 0;
 }
 
 }
 
 } // namespace blink
 
 #endif