Revert "Cleanup: Remove unused CFX_PSRenderer and various encoders it used."

core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.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 <limits.h>
 
 #include "core/include/fpdfapi/fpdf_module.h"
 #include "core/include/fpdfapi/fpdf_parser.h"
@@ skipping 522 matching lines @@
       continue;
     } else if (ch == 0x0d) {
       result << "\\r";
       continue;
     }
     result.AppendChar(ch);
   }
   result.AppendChar(')');
   return result.GetByteString();
 }
-
-bool FlateEncode(const uint8_t* src_buf,
+void FlateEncode(const uint8_t* src_buf,
                  FX_DWORD src_size,
-                 uint8_t** dest_buf,
-                 FX_DWORD* dest_size) {
+                 uint8_t*& dest_buf,
+                 FX_DWORD& dest_size) {
   CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
-  return pEncoders &&
-         pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf,
-                                             dest_size);
+  if (pEncoders) {
+    pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf, dest_size);
+  }
 }
-
-bool PngEncode(const uint8_t* src_buf,
-               FX_DWORD src_size,
-               uint8_t** dest_buf,
-               FX_DWORD* dest_size) {
+void FlateEncode(const uint8_t* src_buf,
+                 FX_DWORD src_size,
+                 int predictor,
+                 int Colors,
+                 int BitsPerComponent,
+                 int Columns,
+                 uint8_t*& dest_buf,
+                 FX_DWORD& dest_size) {
   CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
-  return pEncoders &&
-         pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf,
-                                             dest_size);
+  if (pEncoders) {
+    pEncoders->GetFlateModule()->Encode(src_buf, src_size, predictor, Colors,
+                                        BitsPerComponent, Columns, dest_buf,
+                                        dest_size);
+  }
 }
-
 FX_DWORD FlateDecode(const uint8_t* src_buf,
                      FX_DWORD src_size,
                      uint8_t*& dest_buf,
                      FX_DWORD& dest_size) {
   CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
   if (pEncoders) {
     return pEncoders->GetFlateModule()->FlateOrLZWDecode(
         FALSE, src_buf, src_size, FALSE, 0, 0, 0, 0, 0, dest_buf, dest_size);
   }
   return 0;
 }