1 files changed, 31 insertions, 0 deletions
diff --git a/chromium/components/password_manager/content/browser/form_submission_tracker_util.cc b/chromium/components/password_manager/content/browser/form_submission_tracker_util.cc
new file mode 100644
index 00000000000..58be99e4f98
--- /dev/null
+++ b/chromium/components/password_manager/content/browser/form_submission_tracker_util.cc
@@ -0,0 +1,31 @@
+// Copyright 2018 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 "components/password_manager/content/browser/form_submission_tracker_util.h"
+
+#include "components/password_manager/core/browser/form_submission_observer.h"
+#include "content/public/browser/navigation_handle.h"
+
+namespace password_manager {
+
+void NotifyOnStartNavigation(content::NavigationHandle* navigation_handle,
+                             PasswordManagerDriver* driver,
+                             FormSubmissionObserver* observer) {
+  DCHECK(navigation_handle);
+  DCHECK(observer);
+
+  // Password manager isn't interested in
+  // - subframe navigations,
+  // - user initiated navigations (e.g. click on the bookmark),
+  // - hyperlink navigations.
+  if (!navigation_handle->IsInMainFrame() ||
+      !navigation_handle->IsRendererInitiated() ||
+      ui::PageTransitionCoreTypeIs(navigation_handle->GetPageTransition(),
+                                   ui::PAGE_TRANSITION_LINK))
+    return;
+
+  observer->OnStartNavigation(driver);
+}
+
+}  // namespace password_manager