Move core/fpdfdoc/include to core/fpdfdoc

core/fpdfdoc/cpdf_metadata.h

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef CORE_FPDFDOC_INCLUDE_CPDF_METADATA_H_
-#define CORE_FPDFDOC_INCLUDE_CPDF_METADATA_H_
+#ifndef CORE_FPDFDOC_CPDF_METADATA_H_
+#define CORE_FPDFDOC_CPDF_METADATA_H_
 
 #include <memory>
 
 class CPDF_Document;
 class CXML_Element;
 
 class CPDF_Metadata {
  public:
   explicit CPDF_Metadata(CPDF_Document* pDoc);
   ~CPDF_Metadata();
 
   const CXML_Element* GetRoot() const;
 
  private:
   std::unique_ptr<CXML_Element> m_pXmlElement;
 };
 
-#endif  // CORE_FPDFDOC_INCLUDE_CPDF_METADATA_H_
+#endif  // CORE_FPDFDOC_CPDF_METADATA_H_