[Password Manager] Update Confirmation UI for saved password change for Chrome on Android.

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 f0dabfa3f24fbc6e3617e02fab9c7ec37b9994c1..34433d7e084385c5cce97816e5ad8ebc1094dfd1 100644
--- a/chrome/browser/password_manager/chrome_password_manager_client.cc
+++ b/chrome/browser/password_manager/chrome_password_manager_client.cc
@@ -66,6 +66,7 @@
 #include "chrome/browser/android/tab_android.h"
 #include "chrome/browser/password_manager/account_chooser_dialog_android.h"
 #include "chrome/browser/password_manager/generated_password_saved_infobar_delegate_android.h"
+#include "chrome/browser/password_manager/update_password_infobar_delegate.h"
 #include "chrome/browser/ui/android/snackbars/auto_signin_prompt_controller.h"
 #endif
 
@@ -240,6 +241,13 @@ bool ChromePasswordManagerClient::PromptUserToSaveOrUpdatePassword(
 #if defined(OS_MACOSX) || BUILDFLAG(ANDROID_JAVA_UI)
     if (form_to_save->IsBlacklisted())
       return false;
+#if BUILDFLAG(ANDROID_JAVA_UI)
+    if (update_password && IsUpdatePasswordUIEnabled()) {
+      UpdatePasswordInfoBarDelegate::Create(web_contents(),
+                                            std::move(form_to_save));
+      return true;
+    }
+#endif
     std::string uma_histogram_suffix(
         password_manager::metrics_util::GroupIdToString(
             password_manager::metrics_util::MonitoredDomainGroupId(
@@ -567,8 +575,12 @@ bool ChromePasswordManagerClient::IsTheHotNewBubbleUIEnabled() {
 }
 
 bool ChromePasswordManagerClient::IsUpdatePasswordUIEnabled() const {
-  // Currently Password update UI is implemented only for Bubble UI.
+#if BUILDFLAG(ANDROID_JAVA_UI)
+  return base::FeatureList::IsEnabled(
+      password_manager::features::kEnablePasswordChangeSupport);
+#else
   return IsTheHotNewBubbleUIEnabled();
+#endif
 }
 
 bool ChromePasswordManagerClient::EnabledForSyncSignin() {