Move ScopedFILE to base namespace and scoped_file.h

net/proxy/proxy_config_service_linux.cc

Index: net/proxy/proxy_config_service_linux.cc
diff --git a/net/proxy/proxy_config_service_linux.cc b/net/proxy/proxy_config_service_linux.cc
index cb3ddead4c66c03d8bca585d2a36849aa4b0f50d..de41b14f5bffa6a5a38d8716835f0e1457058af8 100644
--- a/net/proxy/proxy_config_service_linux.cc
+++ b/net/proxy/proxy_config_service_linux.cc
@@ -22,6 +22,7 @@
 #include "base/environment.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
+#include "base/files/scoped_file.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/nix/xdg_util.h"
@@ -1171,7 +1172,7 @@ class SettingGetterImplKDE : public ProxyConfigServiceLinux::SettingGetter,
   // each relevant name-value pair to the appropriate value table.
   void UpdateCachedSettings() {
     base::FilePath kioslaverc = kde_config_dir_.Append("kioslaverc");
-    file_util::ScopedFILE input(base::OpenFile(kioslaverc, "r"));
+    base::ScopedFILE input(base::OpenFile(kioslaverc, "r"));
     if (!input.get())
       return;
     ResetCachedSettings();