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

core/fpdftext/include/ipdf_textpagefind.h

Index: core/fpdftext/include/ipdf_textpagefind.h
diff --git a/core/fpdftext/include/ipdf_textpagefind.h b/core/fpdftext/include/ipdf_textpagefind.h
new file mode 100644
index 0000000000000000000000000000000000000000..44d8b4730e999b0ac432bb6cfb802ca19e44af5c
--- /dev/null
+++ b/core/fpdftext/include/ipdf_textpagefind.h
@@ -0,0 +1,25 @@
+// 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_TEXTPAGEFIND_H_
+#define CORE_FPDFTEXT_INCLUDE_IPDF_TEXTPAGEFIND_H_
+
+class IPDF_TextPageFind {
+ public:
+  static IPDF_TextPageFind* CreatePageFind(const IPDF_TextPage* pTextPage);
+  virtual ~IPDF_TextPageFind() {}
+
+  virtual FX_BOOL FindFirst(const CFX_WideString& findwhat,
+                            int flags,
+                            int startPos = 0) = 0;
+  virtual FX_BOOL FindNext() = 0;
+  virtual FX_BOOL FindPrev() = 0;
+  virtual void GetRectArray(CFX_RectArray& rects) const = 0;
+  virtual int GetCurOrder() const = 0;
+  virtual int GetMatchedCount() const = 0;
+};
+
+#endif  // CORE_FPDFTEXT_INCLUDE_IPDF_TEXTPAGEFIND_H_