Rewrite std::string("") to std::string(), Linux edition.

chrome/browser/ui/webui/options/font_settings_handler.cc

 // Copyright (c) 2012 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/ui/webui/options/font_settings_handler.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 170 matching lines @@
       int cmd_id = it->encoding_id;
       std::string encoding =
       CharacterEncoding::GetCanonicalEncodingNameByCommandId(cmd_id);
       string16 name = it->encoding_display_name;
       bool has_rtl_chars = base::i18n::StringContainsStrongRTLChars(name);
       option->Append(new base::StringValue(encoding));
       option->Append(new base::StringValue(name));
       option->Append(new base::StringValue(has_rtl_chars ? "rtl" : "ltr"));
     } else {
       // Add empty name/value to indicate a separator item.
-      option->Append(new base::StringValue(""));
-      option->Append(new base::StringValue(""));
+      option->Append(new base::StringValue(std::string()));
+      option->Append(new base::StringValue(std::string()));
     }
     encoding_list.Append(option);
   }
 
   ListValue selected_values;
   selected_values.Append(new base::StringValue(MaybeGetLocalizedFontName(
       standard_font_.GetValue())));
   selected_values.Append(new base::StringValue(MaybeGetLocalizedFontName(
       serif_font_.GetValue())));
   selected_values.Append(new base::StringValue(MaybeGetLocalizedFontName(
@@ skipping 41 matching lines @@
                                    size_value);
 }
 
 void FontSettingsHandler::OnWebKitDefaultFontSizeChanged() {
   SetUpStandardFontSample();
   SetUpSerifFontSample();
   SetUpSansSerifFontSample();
 }
 
 }  // namespace options