| Index: chrome/browser/spellchecker/feedback.cc | 
| diff --git a/chrome/browser/spellchecker/feedback.cc b/chrome/browser/spellchecker/feedback.cc | 
| index 42bebbc66bee2242f7a0b6927ff2ab61b9849058..b571a53a0be789c40ca28e852efeb233ef2c9e3b 100644 | 
| --- a/chrome/browser/spellchecker/feedback.cc | 
| +++ b/chrome/browser/spellchecker/feedback.cc | 
| @@ -19,6 +19,8 @@ | 
| #include <algorithm> | 
| #include <iterator> | 
|  | 
| +#include "base/stl_util.h" | 
| + | 
| namespace spellcheck { | 
|  | 
| Feedback::Feedback() { | 
| @@ -44,12 +46,9 @@ void Feedback::FinalizeRemovedMisspellings( | 
| HashCollection& renderer_hashes = renderer_it->second; | 
| HashCollection remaining_hashes(remaining_markers.begin(), | 
| remaining_markers.end()); | 
| -  std::vector<uint32> removed_hashes; | 
| -  std::set_difference(renderer_hashes.begin(), | 
| -                      renderer_hashes.end(), | 
| -                      remaining_hashes.begin(), | 
| -                      remaining_hashes.end(), | 
| -                      std::back_inserter(removed_hashes)); | 
| +  std::vector<uint32> removed_hashes = | 
| +      base::STLSetDifference<std::vector<uint32> >(renderer_hashes, | 
| +                                                   remaining_hashes); | 
| for (std::vector<uint32>::const_iterator hash_it = removed_hashes.begin(); | 
| hash_it != removed_hashes.end(); | 
| ++hash_it) { | 
|  |