New smart passsword bubble algorithm.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index fca754cc4959c7000e598fe73b41c484bfd69f40..ae6f5c41adf8efd120c38b39d86451f247568b90 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -2271,16 +2271,9 @@ const char kEasyUnlockLocalStateTpmKeys[] = "easy_unlock.public_tpm_keys";
 // their profile's Easy Unlock preferences.
 const char kEasyUnlockLocalStateUserPrefs[] = "easy_unlock.user_prefs";
 
-// The beginning of time span when we count user's "Nope" for the password
-// bubble.
-const char kPasswordBubbleTimeStamp[] = "password_bubble.timestamp";
-
 // The count of user's "Nope" for the password bubble.
 const char kPasswordBubbleNopesCount[] = "password_bubble.nopes";
 
-// Last user's interaction with the password bubble.
-const char kPasswordBubbleLastInteractions[] = "password_bubble.interactions";
-
 // Boolean that indicates whether elevation is needed to recover Chrome upgrade.
 const char kRecoveryComponentNeedsElevation[] =
     "recovery_component.needs_elevation";