Move Copy* into the base namespace.

base/file_util.cc

Index: base/file_util.cc
diff --git a/base/file_util.cc b/base/file_util.cc
index bf5ce2343bfaae92ab07244036d6ab3c9e1e1038..4e1163acd5dc14cb87cef16559cb999be574f822 100644
--- a/base/file_util.cc
+++ b/base/file_util.cc
@@ -47,7 +47,13 @@ int64 ComputeDirectorySize(const FilePath& root_path) {
 bool Move(const FilePath& from_path, const FilePath& to_path) {
   if (from_path.ReferencesParent() || to_path.ReferencesParent())
     return false;
-  return MoveUnsafe(from_path, to_path);
+  return internal::MoveUnsafe(from_path, to_path);
+}
+
+bool CopyFile(const FilePath& from_path, const FilePath& to_path) {
+  if (from_path.ReferencesParent() || to_path.ReferencesParent())
+    return false;
+  return internal::CopyFileUnsafe(from_path, to_path);
 }
 
 }  // namespace base
@@ -61,12 +67,6 @@ using base::FilePath;
 using base::kExtensionSeparator;
 using base::kMaxUniqueFiles;
 
-bool CopyFile(const FilePath& from_path, const FilePath& to_path) {
-  if (from_path.ReferencesParent() || to_path.ReferencesParent())
-    return false;
-  return CopyFileUnsafe(from_path, to_path);
-}
-
 bool ContentsEqual(const FilePath& filename1, const FilePath& filename2) {
   // We open the file in binary format even if they are text files because
   // we are just comparing that bytes are exactly same in both files and not