Beginnings of our own FTP LIST parsing code.

base/string_util.h

Index: base/string_util.h
diff --git a/base/string_util.h b/base/string_util.h
index 6a69ad58c43cc223b95cac8d83d75bf6b4e61857..f128f99f8498ccf2c78190d2def05f1d84e4bda8 100644
--- a/base/string_util.h
+++ b/base/string_util.h
@@ -174,6 +174,8 @@ TrimPositions TrimWhitespace(const std::string& input,
 // (3) All other whitespace sequences are converted to single spaces.
 std::wstring CollapseWhitespace(const std::wstring& text,
                                 bool trim_sequences_with_line_breaks);
+string16 CollapseWhitespace(const string16& text,
+                            bool trim_sequences_with_line_breaks);
 std::string CollapseWhitespaceASCII(const std::string& text,
                                     bool trim_sequences_with_line_breaks);