[Extensions] Migrate ExtensionInstallPrompt::Delegate to be a callback

chrome/browser/extensions/extension_service_unittest.cc

Index: chrome/browser/extensions/extension_service_unittest.cc
diff --git a/chrome/browser/extensions/extension_service_unittest.cc b/chrome/browser/extensions/extension_service_unittest.cc
index 084ca22814fe70d1471d610dadbbc41b610dd3ce..2de278bca3116b5d34a64f4a2f611bd7e4386522 100644
--- a/chrome/browser/extensions/extension_service_unittest.cc
+++ b/chrome/browser/extensions/extension_service_unittest.cc
@@ -6070,8 +6070,9 @@ TEST_F(ExtensionServiceTest, ExternalInstallClickToRemove) {
   EXPECT_FALSE(registry()->enabled_extensions().GetByID(updates_from_webstore));
 
   // Click the negative response.
-  service_->external_install_manager()->error_for_testing()->InstallUIAbort(
-      true);
+  service_->external_install_manager()
+      ->error_for_testing()
+      ->OnInstallPromptDone(ExtensionInstallPrompt::Result::USER_CANCELED);
   // The Extension should be uninstalled.
   EXPECT_FALSE(registry()->GetExtensionById(updates_from_webstore,
                                             ExtensionRegistry::EVERYTHING));
@@ -6112,7 +6113,9 @@ TEST_F(ExtensionServiceTest, ExternalInstallClickToKeep) {
   EXPECT_FALSE(registry()->enabled_extensions().GetByID(updates_from_webstore));
 
   // Accept the extension.
-  service_->external_install_manager()->error_for_testing()->InstallUIProceed();
+  service_->external_install_manager()
+      ->error_for_testing()
+      ->OnInstallPromptDone(ExtensionInstallPrompt::Result::ACCEPTED);
 
   // It should be enabled again.
   EXPECT_TRUE(registry()->enabled_extensions().GetByID(updates_from_webstore));