Move temp file functions to base namespace.

BUG=

Review URL: https://codereview.chromium.org/99923002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238427 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 03d9afc0b775748203170a27014a3ee3500aecc2
diff --git a/base/files/file_util_proxy.cc b/base/files/file_util_proxy.cc
index 965b489..a36328e 100644
--- a/base/files/file_util_proxy.cc
+++ b/base/files/file_util_proxy.cc
@@ -76,7 +76,7 @@
   void RunWork(int additional_file_flags) {
     // TODO(darin): file_util should have a variant of CreateTemporaryFile
     // that returns a FilePath and a PlatformFile.
-    file_util::CreateTemporaryFile(&file_path_);
+    base::CreateTemporaryFile(&file_path_);
 
     int file_flags =
         PLATFORM_FILE_WRITE |