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

src/hunspell/hashmgr.cxx

Index: src/hunspell/hashmgr.cxx
===================================================================
--- src/hunspell/hashmgr.cxx	(revision 25668)
+++ src/hunspell/hashmgr.cxx	(working copy)
@@ -152,7 +152,7 @@
   int affix_ids[hunspell::BDict::MAX_AFFIXES_PER_WORD];
   int affix_count = bdict_reader->FindWord(word, affix_ids);
   if (affix_count == 0) { // look for custom added word
-    std::map<StringPiece, int>::const_iterator iter = 
+    std::map<base::StringPiece, int>::const_iterator iter = 
       custom_word_to_affix_id_map_.find(word);
     if (iter != custom_word_to_affix_id_map_.end()) {
       affix_count = 1;
@@ -276,12 +276,12 @@
     	    free(hp);
        }
 #else
-    std::map<StringPiece, int>::iterator iter = 
+    std::map<base::StringPiece, int>::iterator iter = 
         custom_word_to_affix_id_map_.find(word);
     if(iter == custom_word_to_affix_id_map_.end()) {  // word needs to be added
       std::string* new_string_word = new std::string(word);
       pointer_to_strings_.push_back(new_string_word);
-      StringPiece sp(*(new_string_word));
+      base::StringPiece sp(*(new_string_word));
       custom_word_to_affix_id_map_[sp] = 0; // no affixes for custom words
       return 1;
     }