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

chrome/browser/bookmarks/bookmark_html_writer_unittest.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 "testing/gtest/include/gtest/gtest.h"
 
 #include "app/l10n_util.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
@@ skipping 57 matching lines @@
     for (size_t i = 0; i < entry.path.size(); ++i) {
       if (i != 0)
         result.append(ASCIIToUTF16("/"));
       result.append(WideToUTF16Hack(entry.path[i]));
     }
 
     result.append(ASCIIToUTF16(" title="));
     result.append(WideToUTF16Hack(entry.title));
 
     result.append(ASCIIToUTF16(" time="));
-    result.append(WideToUTF16Hack(
-        base::TimeFormatFriendlyDateAndTime(entry.creation_time)));
+    result.append(base::TimeFormatFriendlyDateAndTime(entry.creation_time));
     return result;
   }
 
   // Creates a set of bookmark values to a string for assertion testing.
   string16 BookmarkValuesToString(bool on_toolbar,
                                   const GURL& url,
                                   const string16& title,
                                   base::Time creation_time,
                                   const string16& f1,
                                   const string16& f2,
@@ skipping 167 matching lines @@
                             bookmark_folder_name, string16(), string16());
   AssertBookmarkEntryEquals(parsed_bookmarks[3], false, url4, url4_title, t4,
                             bookmark_folder_name, string16(), string16());
   AssertBookmarkEntryEquals(parsed_bookmarks[4], false, url1, url1_title, t1,
                             string16(), string16(), string16());
   AssertBookmarkEntryEquals(parsed_bookmarks[5], false, url2, url2_title, t2,
                             string16(), string16(), string16());
   AssertBookmarkEntryEquals(parsed_bookmarks[6], false, url1, url1_title, t1,
                             f3_title, f4_title, string16());
 }