Move constructor for base::FilePath

base/files/file_path.h

Index: base/files/file_path.h
diff --git a/base/files/file_path.h b/base/files/file_path.h
index 3234df7bfb69d0a41baa4c3cc1cfc1aeed56fc39..02846f689218816b4048ee39dbfeb2e8b32f88d4 100644
--- a/base/files/file_path.h
+++ b/base/files/file_path.h
@@ -182,6 +182,13 @@ class BASE_EXPORT FilePath {
   ~FilePath();
   FilePath& operator=(const FilePath& that);
 
+  // Constructs FilePath with the contents of |that|, which is left in valid but
+  // unspecified state.
+  FilePath(FilePath&& that);
+  // Replaces the contents with those of |that|, which is left in valid but
+  // unspecified state.
+  FilePath& operator=(FilePath&& that);
+
   bool operator==(const FilePath& that) const;
 
   bool operator!=(const FilePath& that) const;