Move file_util::Delete to the base namespace

chrome/test/gpu/gpu_pixel_browsertest.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 "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 250 matching lines @@
         rt = false;
       } else {
         LOG(INFO) << "Saved reference image to: "
                   << img_path.value();
       }
       if (rt) {
         if (!WriteREVFile(rev_path)) {
           LOG(ERROR) << "Can't save revision file to: "
                      << rev_path.value();
           rt = false;
-          file_util::Delete(img_path, false);
+          base::Delete(img_path, false);
         } else {
           LOG(INFO) << "Saved revision file to: "
                     << rev_path.value();
         }
       }
       if (ref_img_revision_ > 0) {
         LOG(ERROR) << "Can't read the local ref image: "
                    << img_path.value()
                    << ", reset it.";
         rt = false;
@@ skipping 158 matching lines @@
         continue;
       if (revision < ref_img_revision_no_older_than_ ||
           revision < max_revision) {
         outdated_revs.push_back(full_path);
         continue;
       }
       max_revision = revision;
     }
     ref_img_revision_ = max_revision;
     for (size_t i = 0; i < outdated_revs.size(); ++i)
-      file_util::Delete(outdated_revs[i], false);
+      base::Delete(outdated_revs[i], false);
   }
 
   DISALLOW_COPY_AND_ASSIGN(GpuPixelBrowserTest);
 };
 
 IN_PROC_BROWSER_TEST_F(GpuPixelBrowserTest, WebGLGreenTriangle) {
   // If test baseline needs to be updated after a given revision, update the
   // following number. If no revision requirement, then 0.
   const int64 ref_img_revision_update = 123489;
 
@@ skipping 80 matching lines @@
     {160, 100, 0, 0, 0}
   };
   const size_t ref_pixel_count = sizeof(ref_pixels) / sizeof(ReferencePixel);
 
   gfx::Size container_size(400, 300);
   base::FilePath url =
       test_data_dir().AppendASCII("pixel_canvas2d.html");
   RunPixelTest(container_size, url, ref_img_revision_update,
                ref_pixels, ref_pixel_count);
 }