Fix a few more warnings in chromium_code mode.

core/src/fxcodec/codec/fx_codec_jpeg.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 "../../../include/fxcodec/fx_codec.h"
 #include "../../../include/fxge/fx_dib.h"
 #include "codec_int.h"
 extern "C" {
@@ skipping 64 matching lines @@
 #define JPEG_OVERHEAD_LEN       14
 static FX_BOOL _JpegIsIccMarker(jpeg_saved_marker_ptr marker)
 {
     if (marker->marker == JPEG_MARKER_ICC &&
             marker->data_length >= JPEG_OVERHEAD_LEN &&
             (FXSYS_memcmp32(marker->data, "\x49\x43\x43\x5f\x50\x52\x4f\x46\x49\x4c\x45\x00", 12) == 0)) {
         return TRUE;
     }
     return FALSE;
 }
-static  FX_BOOL _JpegLoadIccProfile(j_decompress_ptr cinfo, FX_LPBYTE* icc_buf_ptr, FX_DWORD* icc_length)
-{
-    if(icc_buf_ptr == NULL || icc_length == NULL) {
-        return FALSE;
-    }
-    *icc_buf_ptr = NULL;
-    *icc_length = 0;
-    FX_LPBYTE icc_data_ptr = NULL;
-    FX_DWORD icc_data_len = 0;
-    FX_BYTE count_icc_marker = 0;
-    FX_BYTE num_icc_marker = 0;
-    jpeg_saved_marker_ptr marker_list[256] = {NULL};
-    for (jpeg_saved_marker_ptr cur_marker = cinfo->marker_list;
-            cur_marker != NULL;
-            cur_marker = cur_marker->next) {
-        if(_JpegIsIccMarker(cur_marker)) {
-            if(count_icc_marker == 0) {
-                num_icc_marker = cur_marker->data[13];
-            } else if(num_icc_marker != cur_marker->data[13]) {
-                return FALSE;
-            }
-            int sn = cur_marker->data[12] - 1;
-            if(sn < 0 || sn >= num_icc_marker) {
-                return FALSE;
-            }
-            if(marker_list[sn] == NULL) {
-                marker_list[sn] = cur_marker;
-            } else {
-                return FALSE;
-            }
-            count_icc_marker ++;
-            icc_data_len +=     (cur_marker->data_length - JPEG_OVERHEAD_LEN);
-        }
-    }
-    if(count_icc_marker != num_icc_marker) {
-        return FALSE;
-    }
-    if(num_icc_marker == 0) {
-        return TRUE;
-    }
-    icc_data_ptr = FX_Alloc(FX_BYTE, icc_data_len);
-    if(icc_buf_ptr == NULL)     {
-        return FALSE;
-    }
-    *icc_buf_ptr = icc_data_ptr;
-    *icc_length = icc_data_len;
-    for (int idx = 0; idx < num_icc_marker; idx++) {
-        icc_data_len = marker_list[idx]->data_length - JPEG_OVERHEAD_LEN;
-        FXSYS_memcpy32(icc_data_ptr, marker_list[idx]->data + JPEG_OVERHEAD_LEN, icc_data_len);
-        icc_data_ptr += icc_data_len;
-    }
-    return TRUE;
-}
 static  FX_BOOL _JpegEmbedIccProfile(j_compress_ptr cinfo, FX_LPCBYTE icc_buf_ptr, FX_DWORD icc_length)
 {
     if(icc_buf_ptr == NULL || icc_length == 0) {
         return FALSE;
     }
     FX_DWORD icc_segment_size = (JPEG_MARKER_MAXSIZE - 2 - JPEG_OVERHEAD_LEN);
     FX_DWORD icc_segment_num = (icc_length / icc_segment_size) + 1;
     if (icc_segment_num > 255)  {
         return FALSE;
     }
@@ skipping 578 matching lines @@
         return m_pExtProvider->GetAvailInput(pContext, avail_buf_ptr);
     }
     if(avail_buf_ptr != NULL) {
         *avail_buf_ptr = NULL;
         if(((FXJPEG_Context*)pContext)->m_SrcMgr.bytes_in_buffer > 0) {
             *avail_buf_ptr = (FX_LPBYTE)((FXJPEG_Context*)pContext)->m_SrcMgr.next_input_byte;
         }
     }
     return (FX_DWORD)((FXJPEG_Context*)pContext)->m_SrcMgr.bytes_in_buffer;
 }