Update SplitString calls in chrome.

chrome/browser/ui/webui/cookies_tree_model_util.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/cookies_tree_model_util.h"
 
 #include <vector>
 
 #include "base/i18n/time_formatting.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 299 matching lines @@
     scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue);
     const CookieTreeNode* child = parent->GetChild(start + i);
     if (GetCookieTreeNodeDictionary(*child, dict.get()))
       nodes->Append(dict.release());
   }
 }
 
 const CookieTreeNode* CookiesTreeModelUtil::GetTreeNodeFromPath(
     const CookieTreeNode* root,
     const std::string& path) {
-  std::vector<std::string> node_ids;
-  base::SplitString(path, ',', &node_ids);
-
   const CookieTreeNode* child = NULL;
   const CookieTreeNode* parent = root;
   int child_index = -1;
 
   // Validate the tree path and get the node pointer.
-  for (size_t i = 0; i < node_ids.size(); ++i) {
+  for (const base::StringPiece& cur_node : base::SplitStringPiece(
+           path, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL)) {
     int32 node_id = 0;
-    if (!base::StringToInt(node_ids[i], &node_id))
+    if (!base::StringToInt(cur_node, &node_id))
       break;
 
     child = id_map_.Lookup(node_id);
     child_index = parent->GetIndexOf(child);
     if (child_index == -1)
       break;
 
     parent = child;
   }
 
   return child_index >= 0 ? child : NULL;
 }