Revert r74860 as it broke arm:

chrome/browser/dom_ui/options/dom_options_util.cc

Index: chrome/browser/dom_ui/options/dom_options_util.cc
diff --git a/chrome/browser/dom_ui/options/dom_options_util.cc b/chrome/browser/dom_ui/options/dom_options_util.cc
index 2eb8ec33050467af2a1e81679b945bd10f1f218b..f528a47746800761a7f1e09f29f2767eadfece11 100644
--- a/chrome/browser/dom_ui/options/dom_options_util.cc
+++ b/chrome/browser/dom_ui/options/dom_options_util.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -8,12 +8,10 @@
 
 namespace dom_options_util {
 
-// TODO(estade): update all strings that have a trailing colon once we get rid
-// of the native dialogs.
 string16 StripColon(const string16& str) {
-  const string16::value_type kColon[] = { ':', 0 };
+  const string16::value_type kColon[] = {':',0};
   string16 result;
-  TrimString(str, kColon, &result);
+  RemoveChars(str, kColon, &result);
   return result;
 }