Split fpdfdoc/include/fpdf_doc.h into individual classes.

core/fpdfdoc/include/cpdf_linklist.h

Index: core/fpdfdoc/include/cpdf_linklist.h
diff --git a/core/fpdfdoc/include/cpdf_linklist.h b/core/fpdfdoc/include/cpdf_linklist.h
new file mode 100644
index 0000000000000000000000000000000000000000..dd9f5517d4d6054b59304e62daf8b0bc5c8e2ff5
--- /dev/null
+++ b/core/fpdfdoc/include/cpdf_linklist.h
@@ -0,0 +1,36 @@
+// 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_LINKLIST_H_
+#define CORE_FPDFDOC_INCLUDE_CPDF_LINKLIST_H_
+
+#include <map>
+#include <vector>
+
+#include "core/fpdfdoc/include/cpdf_link.h"
+#include "core/fxcrt/include/fx_system.h"
+
+class CPDF_Page;
+class CPDF_Dictionary;
+
+class CPDF_LinkList {
+ public:
+  CPDF_LinkList();
+  ~CPDF_LinkList();
+
+  CPDF_Link GetLinkAtPoint(CPDF_Page* pPage,
+                           FX_FLOAT pdf_x,
+                           FX_FLOAT pdf_y,
+                           int* z_order);
+
+ private:
+  const std::vector<CPDF_Dictionary*>* GetPageLinks(CPDF_Page* pPage);
+  void LoadPageLinks(CPDF_Page* pPage, std::vector<CPDF_Dictionary*>* pList);
+
+  std::map<uint32_t, std::vector<CPDF_Dictionary*>> m_PageMap;
+};
+
+#endif  // CORE_FPDFDOC_INCLUDE_CPDF_LINKLIST_H_