Revert "Only store leading 13 bits of password hash."

chrome/browser/signin/local_auth.h

Index: chrome/browser/signin/local_auth.h
diff --git a/chrome/browser/signin/local_auth.h b/chrome/browser/signin/local_auth.h
index 570b5bc345a81e5ea9aeedc551fb9e183b7e1f96..2342a8142a2da6591238c44e2bba0a85401cd6b0 100644
--- a/chrome/browser/signin/local_auth.h
+++ b/chrome/browser/signin/local_auth.h
@@ -11,46 +11,28 @@
 
 #include <string>
 
-#include "base/gtest_prod_util.h"
-
-class LocalAuthTest;
 class Profile;
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
-class LocalAuth {
- public:
-  static void RegisterLocalAuthPrefs(
-      user_prefs::PrefRegistrySyncable* registry);
-
-  static void SetLocalAuthCredentials(size_t profile_info_index,
-                                      const std::string& password);
-
+namespace chrome {
 
-  static void SetLocalAuthCredentials(const Profile* profile,
-                                      const std::string& password);
+void RegisterLocalAuthPrefs(user_prefs::PrefRegistrySyncable* registry);
 
-  static bool ValidateLocalAuthCredentials(size_t profile_info_index,
-                                           const std::string& password);
+void SetLocalAuthCredentials(size_t profile_info_index,
+                             const std::string& password);
 
-  static bool ValidateLocalAuthCredentials(const Profile* profile,
-                                           const std::string& password);
+void SetLocalAuthCredentials(const Profile* profile,
+                             const std::string& password);
 
- private:
-  FRIEND_TEST_ALL_PREFIXES(LocalAuthTest, SetUpgradeAndCheckCredentials);
-  FRIEND_TEST_ALL_PREFIXES(LocalAuthTest, TruncateStringEvenly);
-  FRIEND_TEST_ALL_PREFIXES(LocalAuthTest, TruncateStringUnevenly);
+bool ValidateLocalAuthCredentials(size_t profile_info_index,
+                                  const std::string& password);
 
-  // Return only the first |len_bits| bits of the string |str|. Defined here for
-  // testing.
-  static std::string TruncateStringByBits(const std::string& str,
-                                          const size_t len_bits);
+bool ValidateLocalAuthCredentials(const Profile* profile,
+                                  const std::string& password);
 
-  static void SetLocalAuthCredentialsWithEncoding(size_t profile_info_index,
-                                                  const std::string& password,
-                                                  char encoding_version);
-};
+}  // namespace chrome
 
 #endif  // CHROME_BROWSER_SIGNIN_LOCAL_AUTH_H_