Remove dangling ManagePasswordsBubbleModel pointers. Test that different password bubbles don't pin…

chrome/browser/ui/cocoa/passwords/account_chooser_view_controller_unittest.mm

Index: chrome/browser/ui/cocoa/passwords/account_chooser_view_controller_unittest.mm
diff --git a/chrome/browser/ui/cocoa/passwords/account_chooser_view_controller_unittest.mm b/chrome/browser/ui/cocoa/passwords/account_chooser_view_controller_unittest.mm
index 667ee3e3bf61b27359f0f8bb9b3bcacbc67d5818..e1534c73a888b561e1860f516cc8abb3b8c846c2 100644
--- a/chrome/browser/ui/cocoa/passwords/account_chooser_view_controller_unittest.mm
+++ b/chrome/browser/ui/cocoa/passwords/account_chooser_view_controller_unittest.mm
@@ -212,4 +212,19 @@ TEST_F(AccountChooserViewControllerTest, ClickTitleLink) {
                                      atIndex:0];
 }
 
+TEST_F(AccountChooserViewControllerTest, ClosePromptAndHandleClick) {
+  // A user may press mouse down, some navigation closes the dialog, mouse up
+  // still sends the action. The view should not crash.
+  PasswordDialogController::FormsVector local_forms;
+  local_forms.push_back(Credential("pizza"));
+  SetUpAccountChooser(std::move(local_forms),
+                      PasswordDialogController::FormsVector());
+  [view_controller() setBridge:nil];
+  [view_controller().titleView clickedOnLink:@"" atIndex:0];
+  [view_controller().credentialsView
+          selectRowIndexes:[NSIndexSet indexSetWithIndex:0]
+      byExtendingSelection:NO];
+  [view_controller().cancelButton performClick:nil];
+}
+
 }  // namespace