Update the time formatting APIs to use string16....

chrome/browser/dom_ui/history2_ui.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/dom_ui/history2_ui.h"
 
 #include <algorithm>
 #include <set>
 
 #include "app/l10n_util.h"
@@ skipping 258 matching lines @@
     // pass the dates in as strings. This could use some
     // optimization.
 
     // Only pass in the strings we need (search results need a shortdate
     // and snippet, browse results need day and time information).
     if (search_text_.empty()) {
       // Figure out the relative date string.
       string16 date_str = TimeFormat::RelativeDate(page.visit_time(),
                                                    &midnight_today);
       if (date_str.empty()) {
-        date_str =
-            WideToUTF16Hack(base::TimeFormatFriendlyDate(page.visit_time()));
+        date_str = base::TimeFormatFriendlyDate(page.visit_time());
       } else {
         date_str = l10n_util::GetStringFUTF16(
             IDS_HISTORY_DATE_WITH_RELATIVE_TIME,
             date_str,
-            WideToUTF16Hack(base::TimeFormatFriendlyDate(page.visit_time())));
+            base::TimeFormatFriendlyDate(page.visit_time()));
       }
       page_value->SetString("dateRelativeDay", date_str);
       page_value->SetString("dateTimeOfDay",
-          WideToUTF16Hack(base::TimeFormatTimeOfDay(page.visit_time())));
+          base::TimeFormatTimeOfDay(page.visit_time()));
     } else {
       page_value->SetString("dateShort",
-          WideToUTF16Hack(base::TimeFormatShortDate(page.visit_time())));
+          base::TimeFormatShortDate(page.visit_time()));
       page_value->SetString("snippet", page.snippet().text());
     }
     page_value->SetBoolean("starred",
         dom_ui_->GetProfile()->GetBookmarkModel()->IsBookmarked(page.url()));
     results_value.Append(page_value);
   }
 
   DictionaryValue info_value;
   info_value.SetString("term", search_text_);
   info_value.SetBoolean("finished", results->reached_beginning());
@@ skipping 111 matching lines @@
 const GURL HistoryUI2::GetHistoryURLWithSearchText(const string16& text) {
   return GURL(std::string(chrome::kChromeUIHistory2URL) + "#q=" +
               EscapeQueryParamValue(UTF16ToUTF8(text), true));
 }
 
 // static
 RefCountedMemory* HistoryUI2::GetFaviconResourceBytes() {
   return ResourceBundle::GetSharedInstance().
       LoadDataResourceBytes(IDR_HISTORY_FAVICON);
 }