Move file_util::Delete to the base namespace

chrome/browser/web_applications/web_app_mac_unittest.mm

 // 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.
 
 #import "chrome/browser/web_applications/web_app_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include <errno.h>
 #include <sys/xattr.h>
@@ skipping 121 matching lines @@
   EXPECT_CALL(shortcut_creator, GetDestinationPath())
       .WillRepeatedly(Return(dst_folder));
 
   std::string expected_bundle_id = kFakeChromeBundleId;
   expected_bundle_id += ".app.Profile-1-" + info.extension_id;
   EXPECT_CALL(shortcut_creator, GetAppBundleById(expected_bundle_id))
       .WillOnce(Return(other_folder.Append(app_name)));
 
   shortcut_creator.BuildShortcut(other_folder.Append(app_name));
 
-  EXPECT_TRUE(file_util::Delete(
+  EXPECT_TRUE(base::Delete(
       other_folder.Append(app_name).Append("Contents"), true));
 
   EXPECT_TRUE(shortcut_creator.UpdateShortcuts());
   EXPECT_FALSE(file_util::PathExists(dst_folder.Append(app_name)));
   EXPECT_TRUE(file_util::PathExists(
       other_folder.Append(app_name).Append("Contents")));
 
   // Also test case where GetAppBundleById fails.
   EXPECT_CALL(shortcut_creator, GetAppBundleById(expected_bundle_id))
       .WillOnce(Return(base::FilePath()));
 
   shortcut_creator.BuildShortcut(other_folder.Append(app_name));
 
-  EXPECT_TRUE(file_util::Delete(
+  EXPECT_TRUE(base::Delete(
       other_folder.Append(app_name).Append("Contents"), true));
 
   EXPECT_FALSE(shortcut_creator.UpdateShortcuts());
   EXPECT_FALSE(file_util::PathExists(dst_folder.Append(app_name)));
   EXPECT_FALSE(file_util::PathExists(
       other_folder.Append(app_name).Append("Contents")));
 }
 
 TEST(WebAppShortcutCreatorTest, CreateAppListShortcut) {
   base::ScopedTempDir temp_dst_dir;
@@ skipping 76 matching lines @@
       dst_path.Append("Contents").Append("Resources").Append("app.icns");
 
   base::scoped_nsobject<NSImage> image([[NSImage alloc]
       initWithContentsOfFile:base::mac::FilePathToNSString(icon_path)]);
   EXPECT_TRUE(image);
   EXPECT_EQ(product_logo.Width(), [image size].width);
   EXPECT_EQ(product_logo.Height(), [image size].height);
 }
 
 }  // namespace web_app