[PwdCheckAndroid] Remove password check button illustration

Bug: 1141082
Change-Id: I95a97c34668f2e7eda78aa6a52f844dc6c73e590
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2529549
Reviewed-by: Jan Wilken Dörrie <[email protected]>
Reviewed-by: Dominic Battré <[email protected]>
Reviewed-by: Friedrich [CET] <[email protected]>
Commit-Queue: Ioana Pandele <[email protected]>
Cr-Commit-Position: refs/heads/master@{#826710}
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 6de8fd82..57f0cd1 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -120,7 +120,6 @@
 #include "components/optimization_guide/optimization_guide_prefs.h"
 #include "components/password_manager/core/browser/password_bubble_experiment.h"
 #include "components/password_manager/core/browser/password_manager.h"
-#include "components/password_manager/core/common/password_manager_pref_names.h"
 #include "components/payments/core/payment_prefs.h"
 #include "components/policy/core/browser/browser_policy_connector.h"
 #include "components/policy/core/browser/url_blocklist_manager.h"
@@ -487,6 +486,10 @@
 const char kMigrationToLoginDBStep[] = "profile.migration_to_logindb_step";
 #endif
 
+// Deprecated 11/2020
+const char kSettingsLaunchedPasswordChecks[] =
+    "profile.settings_launched_password_checks";
+
 // Register local state used only for migration (clearing or moving to a new
 // key).
 void RegisterLocalStatePrefsForMigration(PrefRegistrySimple* registry) {
@@ -562,6 +565,8 @@
   registry->RegisterBooleanPref(prefs::kLocalDiscoveryNotificationsEnabled,
                                 false);
 #endif
+
+  registry->RegisterIntegerPref(kSettingsLaunchedPasswordChecks, 0);
 }
 
 }  // namespace
@@ -1159,4 +1164,7 @@
   profile_prefs->ClearPref(prefs::kLocalDiscoveryEnabled);
   profile_prefs->ClearPref(prefs::kLocalDiscoveryNotificationsEnabled);
 #endif
+
+  // Added 11/2020
+  profile_prefs->ClearPref(kSettingsLaunchedPasswordChecks);
 }