Move GetFileSize, NormalizeFilePath to base namespace

chrome/browser/chromeos/settings/owner_key_util.cc

Index: chrome/browser/chromeos/settings/owner_key_util.cc
diff --git a/chrome/browser/chromeos/settings/owner_key_util.cc b/chrome/browser/chromeos/settings/owner_key_util.cc
index 2b333d1db576836327e8742ea1c0a9bd871eb83e..560a6cead3e25b52a7a6b6b4c56d66bc21dfb8aa 100644
--- a/chrome/browser/chromeos/settings/owner_key_util.cc
+++ b/chrome/browser/chromeos/settings/owner_key_util.cc
@@ -39,7 +39,7 @@ OwnerKeyUtilImpl::~OwnerKeyUtilImpl() {}
 bool OwnerKeyUtilImpl::ImportPublicKey(std::vector<uint8>* output) {
   // Get the file size (must fit in a 32 bit int for NSS).
   int64 file_size;
-  if (!file_util::GetFileSize(key_file_, &file_size)) {
+  if (!base::GetFileSize(key_file_, &file_size)) {
     LOG(ERROR) << "Could not get size of " << key_file_.value();
     return false;
   }