Remove ICodec_* Interfaces.

core/fxcodec/codec/fx_codec_fax.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 "core/fxcodec/codec/codec_int.h"
 #include "core/fxcodec/include/fx_codec.h"
 
 namespace {
@@ skipping 792 matching lines @@
 FX_BOOL CCodec_FaxModule::Encode(const uint8_t* src_buf,
                                  int width,
                                  int height,
                                  int pitch,
                                  uint8_t*& dest_buf,
                                  uint32_t& dest_size) {
   CCodec_FaxEncoder encoder(src_buf, width, height, pitch);
   encoder.Encode(dest_buf, dest_size);
   return TRUE;
 }
-ICodec_ScanlineDecoder* CCodec_FaxModule::CreateDecoder(
+CCodec_ScanlineDecoder* CCodec_FaxModule::CreateDecoder(
     const uint8_t* src_buf,
     uint32_t src_size,
     int width,
     int height,
     int K,
     FX_BOOL EndOfLine,
     FX_BOOL EncodedByteAlign,
     FX_BOOL BlackIs1,
     int Columns,
     int Rows) {
   CCodec_FaxDecoder* pDecoder = new CCodec_FaxDecoder;
   pDecoder->Create(src_buf, src_size, width, height, K, EndOfLine,
                    EncodedByteAlign, BlackIs1, Columns, Rows);
   return pDecoder;
 }