[Password Manager] Remove the "manager-for-sync-signin" flags.

chrome/browser/password_manager/chrome_password_manager_client.cc

Index: chrome/browser/password_manager/chrome_password_manager_client.cc
diff --git a/chrome/browser/password_manager/chrome_password_manager_client.cc b/chrome/browser/password_manager/chrome_password_manager_client.cc
index 3aa46f59cf73d72232666391514f81825f31b086..70799e1964fa19f4dc6cda1a634e86e8d36234f0 100644
--- a/chrome/browser/password_manager/chrome_password_manager_client.cc
+++ b/chrome/browser/password_manager/chrome_password_manager_client.cc
@@ -181,8 +181,6 @@ bool ChromePasswordManagerClient::IsPasswordManagementEnabledForCurrentPage()
   if (!entry) {
     // TODO(gcasto): Determine if fix for crbug.com/388246 is relevant here.
     is_enabled = true;
-  } else if (EnabledForSyncSignin()) {
-    is_enabled = true;
   } else {
     // Do not fill nor save password when a user is signing in for sync. This
     // is because users need to remember their password if they are syncing as
@@ -599,22 +597,6 @@ bool ChromePasswordManagerClient::IsUpdatePasswordUIEnabled() const {
 #endif
 }
 
-bool ChromePasswordManagerClient::EnabledForSyncSignin() {
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(
-          password_manager::switches::kDisableManagerForSyncSignin))
-    return false;
-
-  if (command_line->HasSwitch(
-          password_manager::switches::kEnableManagerForSyncSignin))
-    return true;
-
-  // Default is enabled.
-  std::string group_name =
-      base::FieldTrialList::FindFullName("PasswordManagerStateForSyncSignin");
-  return group_name != "Disabled";
-}
-
 const GURL& ChromePasswordManagerClient::GetMainFrameURL() const {
   return web_contents()->GetVisibleURL();
 }