Re-try r29078: Remove some deprecated file_util wstring functions.

chrome/installer/util/move_tree_work_item.cc

 // Copyright (c) 2009 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/installer/util/move_tree_work_item.h"
 
 #include <shlwapi.h>
 #include "base/file_util.h"
 #include "chrome/installer/util/logging_installer.h"
 
 MoveTreeWorkItem::~MoveTreeWorkItem() {
   if (file_util::PathExists(backup_path_)) {
     file_util::Delete(backup_path_, true);
   }
 }
 
 MoveTreeWorkItem::MoveTreeWorkItem(const std::wstring& source_path,
                                    const std::wstring& dest_path,
                                    const std::wstring& temp_dir)
     : source_path_(source_path),
       dest_path_(dest_path),
       temp_dir_(temp_dir),
       moved_to_dest_path_(false),
       moved_to_backup_(false) {
 }
 
 bool MoveTreeWorkItem::Do() {
   if (!file_util::PathExists(source_path_)) {
-    LOG(ERROR) << source_path_ << " does not exist";
+    LOG(ERROR) << source_path_.value() << " does not exist";
     return false;
   }
 
-  FilePath backup_path;
-
   // If dest_path_ exists, move destination to a backup path.
   if (file_util::PathExists(dest_path_)) {
     // Generate a backup path that can keep the original files under dest_path_.
     if (!file_util::CreateTemporaryFileInDir(FilePath(temp_dir_),
-                                             &backup_path)) {
-      LOG(ERROR) << "Failed to get backup path in folder " << temp_dir_;
+                                             &backup_path_)) {
+      LOG(ERROR) << "Failed to get backup path in folder " << temp_dir_.value();
       return false;
     }
 
-    backup_path_ = backup_path.value();
-
     if (file_util::Move(dest_path_, backup_path_)) {
       moved_to_backup_ = true;
-      LOG(INFO) << "Moved destination " << dest_path_
-                << " to backup path " << backup_path_;
+      LOG(INFO) << "Moved destination " << dest_path_.value()
+                << " to backup path " << backup_path_.value();
     } else {
-      LOG(ERROR) << "failed moving " << dest_path_
-                 << " to " << backup_path_;
+      LOG(ERROR) << "failed moving " << dest_path_.value()
+                 << " to " << backup_path_.value();
       return false;
     }
   }
 
   // Now move source to destination.
   if (file_util::Move(source_path_, dest_path_)) {
     moved_to_dest_path_ = true;
-    LOG(INFO) << "Moved source " << source_path_
-              << " to destination " << dest_path_;
+    LOG(INFO) << "Moved source " << source_path_.value()
+              << " to destination " << dest_path_.value();
   } else {
-    LOG(ERROR) << "failed move " << source_path_ << " to " << dest_path_;
+    LOG(ERROR) << "failed move " << source_path_.value() << " to " <<
+                  dest_path_.value();
     return false;
   }
 
   return true;
 }
 
 void MoveTreeWorkItem::Rollback() {
   if (moved_to_dest_path_ && !file_util::Move(dest_path_, source_path_))
-    LOG(ERROR) << "Can not move " << dest_path_ << " to " << source_path_;
+    LOG(ERROR) << "Can not move " << dest_path_.value() <<
+                   " to " << source_path_.value();
 
   if (moved_to_backup_ && !file_util::Move(backup_path_, dest_path_))
-    LOG(ERROR) << "failed move " << backup_path_ << " to " << dest_path_;
+    LOG(ERROR) << "failed move " << backup_path_.value() <<
+                  " to " << dest_path_.value();
 }