Update the pdfium library
Note: pdfium does not have releases, rather the repository is
kept up-to-date. This was pulled on: 6/4/2015.
Change-Id: I3c6d77fa1f7c6da2b7df3c4e5c00093900125bc2
diff --git a/public/fpdf_flatten.h b/public/fpdf_flatten.h
new file mode 100644
index 0000000..f06a7cf
--- /dev/null
+++ b/public/fpdf_flatten.h
@@ -0,0 +1,41 @@
+// Copyright 2014 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 PUBLIC_FPDF_FLATTEN_H_
+#define PUBLIC_FPDF_FLATTEN_H_
+
+#include "fpdfview.h"
+
+// Result codes.
+#define FLATTEN_FAIL 0 // Flatten operation failed.
+#define FLATTEN_SUCCESS 1 // Flatten operation succeed.
+#define FLATTEN_NOTHINGTODO 2 // There is nothing to be flattened.
+
+// Flags.
+#define FLAT_NORMALDISPLAY 0
+#define FLAT_PRINT 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Function: FPDFPage_Flatten
+// Make annotations and form fields become part of the page contents itself.
+// Parameters:
+// page - Handle to the page, as returned by FPDF_LoadPage().
+// nFlag - Intended use of the flattened result: 0 for normal display, 1 for printing.
+// Return value:
+// Either FLATTEN_FAIL, FLATTEN_SUCCESS, or FLATTEN_NOTHINGTODO (see above).
+// Comments:
+// Currently, all failures return FLATTEN_FAIL, with no indication for the reason
+// for the failure.
+DLLEXPORT int STDCALL FPDFPage_Flatten(FPDF_PAGE page, int nFlag);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // PUBLIC_FPDF_FLATTEN_H_