Coalesce more hardcoded schemes to using predefined constants.

chrome/browser/importer/firefox2_importer.cc

 // Copyright (c) 2006-2008 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/importer/firefox2_importer.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/importer/firefox_importer_utils.h"
 #include "chrome/browser/importer/mork_reader.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_parser.h"
 #include "chrome/common/l10n_util.h"
 #include "chrome/common/time_format.h"
+#include "chrome/common/url_constants.h"
 #include "grit/generated_resources.h"
 #include "net/base/data_url.h"
 
 using base::Time;
 
 // Firefox2Importer.
 
 Firefox2Importer::Firefox2Importer() : parsing_bookmarks_html_file_(false) {
 }
 
@@ skipping 492 matching lines @@
     file = file_enum.Next().ToWStringHack();
   }
 }
 
 // static
 void Firefox2Importer::DataURLToFaviconUsage(
     const GURL& link_url,
     const GURL& favicon_data,
     std::vector<history::ImportedFavIconUsage>* favicons) {
   if (!link_url.is_valid() || !favicon_data.is_valid() ||
-      !favicon_data.SchemeIs("data"))
+      !favicon_data.SchemeIs(chrome::kDataScheme))
     return;
 
   // Parse the data URL.
   std::string mime_type, char_set, data;
   if (!net::DataURL::Parse(favicon_data, &mime_type, &char_set, &data) ||
       data.empty())
     return;
 
   history::ImportedFavIconUsage usage;
   if (!ReencodeFavicon(reinterpret_cast<const unsigned char*>(&data[0]),
                        data.size(), &usage.png_data))
     return;  // Unable to decode.
 
   // We need to make up a URL for the favicon. We use a version of the page's
   // URL so that we can be sure it will not collide.
   usage.favicon_url = GURL(std::string("made-up-favicon:") + link_url.spec());
 
   // We only have one URL per favicon for Firefox 2 bookmarks.
   usage.urls.insert(link_url);
 
   favicons->push_back(usage);
 }