Move StringPiece into the base namespace. This change...

src/hunspell/hashmgr.hxx

 #ifndef _HASHMGR_HXX_
 #define _HASHMGR_HXX_
 
 #ifndef MOZILLA_CLIENT
 #include <cstdio>
 #else
 #include <stdio.h>
 #endif
 
 #include "htypes.hxx"
 #include "filemgr.hxx"
 
 #ifdef HUNSPELL_CHROME_CLIENT
 #include <string>
 #include <map>
 
 #include "base/stl_util-inl.h"
 #include "base/string_piece.h"
 #include "third_party/hunspell/google/bdict_reader.h"
 #endif
 
 enum flag { FLAG_CHAR, FLAG_LONG, FLAG_NUM, FLAG_UNI };
 
 class HashMgr
 {
 #ifdef HUNSPELL_CHROME_CLIENT
   // Not owned by this class, owned by the Hunspell object.
   hunspell::BDictReader* bdict_reader;
-  std::map<StringPiece, int> custom_word_to_affix_id_map_;
+  std::map<base::StringPiece, int> custom_word_to_affix_id_map_;
   std::vector<std::string*> pointer_to_strings_;
 #endif
   int               tablesize;
   struct hentry **  tableptr;
   int               userword;
   flag              flag_mode;
   int               complexprefixes;
   int               utf8;
   unsigned short    forbiddenword;
   int               langnum;
@@ skipping 87 matching lines @@
 #endif
 
   int add_hidden_capitalized_word(char * word, int wbl, int wcl,
     unsigned short * flags, int al, char * dp, int captype);
   int parse_aliasm(char * line, FileMgr * af);
   int remove_forbidden_flag(const char * word);
 
 };
 
 #endif