Make XFA public more closely match master.

public/fpdf_dataavail.h

 // 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_DATAAVAIL_H_
 #define PUBLIC_FPDF_DATAAVAIL_H_
 
 #include <stddef.h>  // For size_t.
 
 #include "fpdfview.h"
 
 #define PDF_LINEARIZATION_UNKNOWN -1
 #define PDF_NOT_LINEARIZED 0
 #define PDF_LINEARIZED 1
+
 #define PDF_DATA_ERROR -1
 #define PDF_DATA_NOTAVAIL 0
 #define PDF_DATA_AVAIL 1
+
 #define PDF_FORM_ERROR -1
 #define PDF_FORM_NOTAVAIL 0
 #define PDF_FORM_AVAIL 1
 #define PDF_FORM_NOTEXIST 2
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /**
@@ skipping 35 matching lines @@
 * Parameters:
 *           file_avail  -   Pointer to file availability interface to check
 * availability of file data.
 *           file        -   Pointer to a file access interface for reading data
 * from file.
 * Return value:
 *           A handle to the document availability provider. NULL for error.
 * Comments:
 *           Application must call FPDFAvail_Destroy when done with the
 * availability provider.
-* Notes:
-*           The method can not support to load a document which consists of
-* dynamic XFA fields now.
 */
 DLLEXPORT FPDF_AVAIL STDCALL FPDFAvail_Create(FX_FILEAVAIL* file_avail,
                                               FPDF_FILEACCESS* file);
 
 /**
 * Function: FPDFAvail_Destroy
 *           Destroy a document availibity provider.
 *
 * Parameters:
 *           avail       -   Handle to document availability provider returned by
@@ skipping 177 matching lines @@
 *           tell whether a PDF file is a linearized file or not.
 *
 */
 DLLEXPORT int STDCALL FPDFAvail_IsLinearized(FPDF_AVAIL avail);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif  // PUBLIC_FPDF_DATAAVAIL_H_