Merge to XFA: Abort on OOM by default in FX_Alloc().

core/src/fxcodec/lgif/fx_gif.cpp

 // 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
 
 #include "fx_gif.h"
 void CGifLZWDecoder::Input(FX_LPBYTE src_buf, FX_DWORD src_size)
 {
     next_in = src_buf;
@@ skipping 1129 matching lines @@
 FX_INT32 _gif_get_frame_num(gif_decompress_struct_p gif_ptr)
 {
     return gif_ptr->img_ptr_arr_ptr->GetSize();
 }
 static FX_BOOL _gif_write_header( gif_compress_struct_p gif_ptr, FX_LPBYTE& dst_buf, FX_DWORD& dst_len )
 {
     if (gif_ptr->cur_offset) {
         return TRUE;
     }
     dst_len = sizeof(GifHeader) + sizeof(GifLSD) + sizeof(GifGF);
-    dst_buf = FX_AllocNL(FX_BYTE, dst_len);
+    dst_buf = FX_TryAlloc(FX_BYTE, dst_len);
     if (dst_buf == NULL)        {
         return FALSE;
     }
     FXSYS_memset32(dst_buf, 0, dst_len);
     FXSYS_memcpy32(dst_buf, gif_ptr->header_ptr, sizeof(GifHeader));
     gif_ptr->cur_offset += sizeof(GifHeader);
     _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->lsd_ptr->width);
     gif_ptr->cur_offset += 2;
     _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->lsd_ptr->height);
     gif_ptr->cur_offset += 2;
@@ skipping 179 matching lines @@
         gif_ptr->cur_offset = cur_offset;
         res = FALSE;
     }
     dst_len = gif_ptr->cur_offset;
     dst_buf[dst_len - 1] = GIF_SIG_TRAILER;
     if (res) {
         gif_ptr->frames++;
     }
     return res;
 }