Roll ICU and convert include style to standard Chromium style,

base/i18n/string_search.cc

 // Copyright (c) 2011 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 "base/i18n/string_search.h"
 #include "base/logging.h"
 
-#include "unicode/usearch.h"
+#include "third_party/icu/public/i18n/unicode/usearch.h"
 
 namespace {
 
 bool CollationSensitiveStringSearch(const string16& find_this,
                                     const string16& in_this,
                                     UCollationStrength strength,
                                     size_t* match_index,
                                     size_t* match_length) {
   UErrorCode status = U_ZERO_ERROR;
 
@@ skipping 50 matching lines @@
                                         size_t* match_length) {
   return CollationSensitiveStringSearch(find_this,
                                         in_this,
                                         UCOL_PRIMARY,
                                         match_index,
                                         match_length);
 }
 
 }  // namespace i18n
 }  // namespace base