Move file_util::Delete to the base namespace

base/win/event_trace_controller_unittest.cc

Index: base/win/event_trace_controller_unittest.cc
diff --git a/base/win/event_trace_controller_unittest.cc b/base/win/event_trace_controller_unittest.cc
index 7b2e99e0d9c5ad9dc85ba9da2a55bbeaa6ee5418..4fe32c3d93db28bd0e1a8781cce8e08e3124f10c 100644
--- a/base/win/event_trace_controller_unittest.cc
+++ b/base/win/event_trace_controller_unittest.cc
@@ -171,7 +171,7 @@ TEST_F(EtwTraceControllerTest, StartFileSession) {
                                            temp.value().c_str());
   if (hr == E_ACCESSDENIED) {
     VLOG(1) << "You must be an administrator to run this test on Vista";
-    file_util::Delete(temp, false);
+    base::Delete(temp, false);
     return;
   }
 
@@ -181,7 +181,7 @@ TEST_F(EtwTraceControllerTest, StartFileSession) {
   EXPECT_HRESULT_SUCCEEDED(controller.Stop(NULL));
   EXPECT_EQ(NULL, controller.session());
   EXPECT_STREQ(L"", controller.session_name());
-  file_util::Delete(temp, false);
+  base::Delete(temp, false);
 }
 
 TEST_F(EtwTraceControllerTest, EnableDisable) {