base: Move SplitString functions into the base namespace and update the callers.

chrome/browser/download/save_package.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/download/save_package.h"
 
 #include "app/l10n_util.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/i18n/file_util_icu.h"
@@ skipping 1115 matching lines @@
   // URL (adjusted for display purposes). Therefore, we convert the "title"
   // back to a URL, and if it matches the original page URL, we know the page
   // had no title (or had a title equal to its URL, which is fine to treat
   // similarly).
   GURL fixed_up_title_url =
       URLFixerUpper::FixupURL(UTF16ToUTF8(title_), std::string());
 
   if (page_url_ == fixed_up_title_url) {
     std::string url_path;
     std::vector<std::string> url_parts;
-    SplitString(page_url_.path(), '/', &url_parts);
+    base::SplitString(page_url_.path(), '/', &url_parts);
     if (!url_parts.empty()) {
       for (int i = static_cast<int>(url_parts.size()) - 1; i >= 0; --i) {
         url_path = url_parts[i];
         if (!url_path.empty())
           break;
       }
     }
     if (url_path.empty())
       url_path = page_url_.host();
     name_with_proper_ext = FilePath::FromWStringHack(UTF8ToWide(url_path));
@@ skipping 249 matching lines @@
                                int index, void* params) {
   SavePackageParam* save_params = reinterpret_cast<SavePackageParam*>(params);
   ContinueSave(save_params, path, index);
   delete save_params;
 }
 
 void SavePackage::FileSelectionCanceled(void* params) {
   SavePackageParam* save_params = reinterpret_cast<SavePackageParam*>(params);
   delete save_params;
 }