The first step towards fixing valgrind errors in the new hunspell....

third_party/hunspell128/src/hunspell/filemgr.hxx

 /* file manager class - read lines of files [filename] OR [filename.hz] */
 #ifndef _FILEMGR_HXX_
 #define _FILEMGR_HXX_
 #include "hunzip.hxx"
 
+#ifdef HUNSPELL_CHROME_CLIENT
+namespace hunspell {
+class LineIterator;
+}  // namespace hunspell
+
+// A class which encapsulates operations of reading a BDICT file.
+// Chrome uses a BDICT file to compress hunspell dictionaries. A BDICT file is
+// a binary file converted from a DIC file and an AFF file. (See
+// "bdict_reader.h" for its format.)
+// This class encapsulates the operations of reading a BDICT file and emulates
+// the original FileMgr operations for AffixMgr so that it can read a BDICT
+// file without so many changes.
+class FileMgr {
+ public:
+  FileMgr(hunspell::LineIterator* iterator);
+  ~FileMgr();
+  char * getline();
+  int getlinenum();
+
+ protected:
+  hunspell::LineIterator* iterator_;
+  char line_[BUFSIZE + 50]; // input buffer
+};
+#else
 class FileMgr
 {
 protected:
     FILE * fin;
     Hunzip * hin;
     char in[BUFSIZE + 50]; // input buffer
     int fail(const char * err, const char * par);
     int linenum;
 
 public:
     FileMgr(const char * filename, const char * key = NULL);
     ~FileMgr();
     char * getline();
     int getlinenum();
 };
 #endif
+
+#endif