1 files changed, 34 insertions, 8 deletions
diff --git a/chromium/base/util/values/values_util.h b/chromium/base/util/values/values_util.h
index de9fd1b9dc4..2958ae01405 100644
--- a/chromium/base/util/values/values_util.h
+++ b/chromium/base/util/values/values_util.h
@@ -6,31 +6,57 @@
 #define BASE_UTIL_VALUES_VALUES_UTIL_H_
 
 #include "base/optional.h"
-#include "base/time/time.h"
 #include "base/values.h"
 
+namespace base {
+class FilePath;
+class Time;
+class TimeDelta;
+class UnguessableToken;
+}  // namespace base
+
 namespace util {
 
-// Simple helper functions for converting int64_t, base::TimeDelta and
-// base::Time to numeric string base::Values.
-// Because base::TimeDelta and base::Time share the same internal representation
-// as int64_t they are stored using the exact same numeric string format.
+// Simple helper functions for converting between base::Value and other types.
+// The base::Value representation is stable, suitable for persistent storage
+// e.g. as JSON on disk.
+//
+// It is valid to pass nullptr to the ValueToEtc functions. They will just
+// return base::nullopt.
 
-// Stores the int64_t as a string.
+// Converts between an int64_t and a string-flavored base::Value (a human
+// readable string of that number).
 base::Value Int64ToValue(int64_t integer);
 base::Optional<int64_t> ValueToInt64(const base::Value* value);
 base::Optional<int64_t> ValueToInt64(const base::Value& value);
 
-// Converts the TimeDelta to an int64_t of microseconds.
+// Converts between a base::TimeDelta (an int64_t number of microseconds) and a
+// string-flavored base::Value (a human readable string of that number).
 base::Value TimeDeltaToValue(base::TimeDelta time_delta);
 base::Optional<base::TimeDelta> ValueToTimeDelta(const base::Value* value);
 base::Optional<base::TimeDelta> ValueToTimeDelta(const base::Value& value);
 
-// Converts the Time to a TimeDelta from the Windows epoch.
+// Converts between a base::Time (an int64_t number of microseconds since the
+// Windows epoch) and a string-flavored base::Value (a human readable string of
+// that number).
 base::Value TimeToValue(base::Time time);
 base::Optional<base::Time> ValueToTime(const base::Value* value);
 base::Optional<base::Time> ValueToTime(const base::Value& value);
 
+// Converts between a base::FilePath (a std::string or base::string16) and a
+// string-flavored base::Value (the UTF-8 representation).
+base::Value FilePathToValue(base::FilePath file_path);
+base::Optional<base::FilePath> ValueToFilePath(const base::Value* value);
+base::Optional<base::FilePath> ValueToFilePath(const base::Value& value);
+
+// Converts between a base::UnguessableToken (128 bits) and a string-flavored
+// base::Value (32 hexadecimal digits).
+base::Value UnguessableTokenToValue(base::UnguessableToken token);
+base::Optional<base::UnguessableToken> ValueToUnguessableToken(
+    const base::Value* value);
+base::Optional<base::UnguessableToken> ValueToUnguessableToken(
+    const base::Value& value);
+
 }  // namespace util
 
 #endif  // BASE_UTIL_VALUES_VALUES_UTIL_H_