Revert postscript code removal.

core/fxcodec/codec/fx_codec.cpp

Index: core/fxcodec/codec/fx_codec.cpp
diff --git a/core/fxcodec/codec/fx_codec.cpp b/core/fxcodec/codec/fx_codec.cpp
index aa2ecef34576ce49c4ed8da5b1f48cba07ee7393..6b6c7233880af64cac103bdd12f0597bb501d8e6 100644
--- a/core/fxcodec/codec/fx_codec.cpp
+++ b/core/fxcodec/codec/fx_codec.cpp
@@ -97,6 +97,20 @@ uint8_t* CCodec_ScanlineDecoder::ReadNextLine() {
   return v_GetNextLine();
 }
 
+bool CCodec_BasicModule::RunLengthEncode(const uint8_t* src_buf,
+                                         uint32_t src_size,
+                                         uint8_t** dest_buf,
+                                         uint32_t* dest_size) {
+  return false;
+}
+
+bool CCodec_BasicModule::A85Encode(const uint8_t* src_buf,
+                                   uint32_t src_size,
+                                   uint8_t** dest_buf,
+                                   uint32_t* dest_size) {
+  return false;
+}
+
 #ifdef PDF_ENABLE_XFA
 CFX_DIBAttribute::CFX_DIBAttribute()
     : m_nXDPI(-1),