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

chrome/browser/password_manager/chrome_password_manager_client.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/password_manager/chrome_password_manager_client.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 163 matching lines @@
 
 bool ChromePasswordManagerClient::IsPasswordManagementEnabledForCurrentPage()
     const {
   DCHECK(web_contents());
   content::NavigationEntry* entry =
       web_contents()->GetController().GetLastCommittedEntry();
   bool is_enabled = false;
   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
     // this is effectively their master password.
     is_enabled =
         entry->GetURL().host_piece() != chrome::kChromeUIChromeSigninHost;
   }
   if (log_manager_->IsLoggingActive()) {
     password_manager::BrowserSavePasswordProgressLogger logger(
         log_manager_.get());
@@ skipping 396 matching lines @@
 
 bool ChromePasswordManagerClient::IsUpdatePasswordUIEnabled() const {
 #if BUILDFLAG(ANDROID_JAVA_UI)
   return base::FeatureList::IsEnabled(
       password_manager::features::kEnablePasswordChangeSupport);
 #else
   return IsTheHotNewBubbleUIEnabled();
 #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();
 }
 
 const GURL& ChromePasswordManagerClient::GetLastCommittedEntryURL() const {
   DCHECK(web_contents());
   content::NavigationEntry* entry =
       web_contents()->GetController().GetLastCommittedEntry();
   if (!entry)
     return GURL::EmptyGURL();
 
   return entry->GetURL();
 }
 
 const password_manager::CredentialsFilter*
 ChromePasswordManagerClient::GetStoreResultFilter() const {
   return &credentials_filter_;
 }
 
 const password_manager::LogManager* ChromePasswordManagerClient::GetLogManager()
     const {
   return log_manager_.get();
 }