Remove remaining legacy SplitString calls.

sandbox/win/src/named_pipe_dispatcher.cc

 // Copyright (c) 2013 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 "sandbox/win/src/named_pipe_dispatcher.h"
 
 #include "base/basictypes.h"
 #include "base/strings/string_split.h"
 
 #include "sandbox/win/src/crosscall_client.h"
@@ skipping 38 matching lines @@
                                           base::string16* name,
                                           uint32 open_mode,
                                           uint32 pipe_mode,
                                           uint32 max_instances,
                                           uint32 out_buffer_size,
                                           uint32 in_buffer_size,
                                           uint32 default_timeout) {
   ipc->return_info.win32_result = ERROR_ACCESS_DENIED;
   ipc->return_info.handle = INVALID_HANDLE_VALUE;
 
-  std::vector<base::string16> paths;
-  std::vector<base::string16> innerpaths;
-  base::SplitString(*name, '/', &paths);
+  base::StringPiece16 dotdot(L"..");
 
-  for (std::vector<base::string16>::const_iterator iter = paths.begin();
-       iter != paths.end(); ++iter) {
-    base::SplitString(*iter, '\\', &innerpaths);
-    for (std::vector<base::string16>::const_iterator iter2 = innerpaths.begin();
-         iter2 != innerpaths.end(); ++iter2) {
-      if (*iter2 == L"..")
+  for (const base::StringPiece16& path : base::SplitStringPiece(
+           *name, base::string16(1, '/'),
+           base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL)) {
+    for (const base::StringPiece16& inner : base::SplitStringPiece(
+             path, base::string16(1, '\\'),
+             base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL)) {
+      if (inner == dotdot)
         return true;
     }
   }
 
   const wchar_t* pipe_name = name->c_str();
   CountedParameterSet<NameBased> params;
   params[NameBased::NAME] = ParamPickerMake(pipe_name);
 
   EvalResult eval = policy_base_->EvalPolicy(IPC_CREATENAMEDPIPEW_TAG,
                                              params.GetBase());
@@ skipping 15 matching lines @@
                                                      out_buffer_size,
                                                      in_buffer_size,
                                                      default_timeout, &pipe);
 
   ipc->return_info.win32_result = ret;
   ipc->return_info.handle = pipe;
   return true;
 }
 
 }  // namespace sandbox