Move file_util::Delete to the base namespace

chrome/browser/printing/printing_layout_browsertest.cc

Index: chrome/browser/printing/printing_layout_browsertest.cc
diff --git a/chrome/browser/printing/printing_layout_browsertest.cc b/chrome/browser/printing/printing_layout_browsertest.cc
index 696cfa719fd2c6f75f3f6d9d0b014900e4c781c5..5ba5b838700cd513b382e4c528cd788436435d75 100644
--- a/chrome/browser/printing/printing_layout_browsertest.cc
+++ b/chrome/browser/printing/printing_layout_browsertest.cc
@@ -53,7 +53,7 @@ class PrintingLayoutTest : public PrintingTest<InProcessBrowserTest>,
 
   virtual void TearDown() OVERRIDE {
     InProcessBrowserTest::TearDown();
-    file_util::Delete(emf_path_, true);
+    base::Delete(emf_path_, true);
   }
 
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
@@ -221,7 +221,7 @@ class PrintingLayoutTest : public PrintingTest<InProcessBrowserTest>,
               "\" when looking for \"" << verification_name << "\"";
           prn_file = file.value();
           found_prn = true;
-          file_util::Delete(file, false);
+          base::Delete(file, false);
           continue;
         }
         EXPECT_TRUE(false);