Remove ICU header dependencies outside of /i18n directory....

chrome/browser/history/in_memory_url_index.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/history/in_memory_url_index.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "app/l10n_util.h"
 #include "base/i18n/word_iterator.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete/history_provider_util.h"
 #include "chrome/browser/history/url_database.h"
 #include "net/base/escape.h"
 #include "net/base/net_util.h"
+#include "unicode/utypes.h"  // for int32_t
 
 using base::Time;
 using base::TimeDelta;
 
 namespace history {
 
 ScoredHistoryMatch::ScoredHistoryMatch() : raw_score(0) {}
 
 ScoredHistoryMatch::ScoredHistoryMatch(const URLRow& url_info,
                                        size_t input_location,
@@ skipping 493 matching lines @@
         if (scored_matches_.size() > 10) {
           scored_matches_.erase(scored_matches_.begin() + 10,
                                 scored_matches_.end());
         }
       }
     }
   }
 }
 
 }  // namespace history