Move fx_crypto.h and fpdf_text.h out of core/include.

core/fpdftext/include/ipdf_linkextract.h

Index: core/fpdftext/include/ipdf_linkextract.h
diff --git a/core/fpdftext/include/ipdf_linkextract.h b/core/fpdftext/include/ipdf_linkextract.h
new file mode 100644
index 0000000000000000000000000000000000000000..2d7fe02127579297d0ef778b67cf0838095b84e1
--- /dev/null
+++ b/core/fpdftext/include/ipdf_linkextract.h
@@ -0,0 +1,26 @@
+// 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_FPDFTEXT_INCLUDE_IPDF_LINKEXTRACT_H_
+#define CORE_FPDFTEXT_INCLUDE_IPDF_LINKEXTRACT_H_
+
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "core/include/fxcrt/fx_system.h"
+#include "core/fpdftext/include/ipdf_textpage.h"
+
+class IPDF_LinkExtract {
+ public:
+  static IPDF_LinkExtract* CreateLinkExtract();
+  virtual ~IPDF_LinkExtract() {}
+
+  virtual FX_BOOL ExtractLinks(const IPDF_TextPage* pTextPage) = 0;
+  virtual int CountLinks() const = 0;
+  virtual CFX_WideString GetURL(int index) const = 0;
+  virtual void GetBoundedSegment(int index, int& start, int& count) const = 0;
+  virtual void GetRects(int index, CFX_RectArray& rects) const = 0;
+};
+
+#endif  // CORE_FPDFTEXT_INCLUDE_IPDF_LINKEXTRACT_H_