Support Android username-only credentials.

components/password_manager/core/browser/affiliated_match_helper.cc

Index: components/password_manager/core/browser/affiliated_match_helper.cc
diff --git a/components/password_manager/core/browser/affiliated_match_helper.cc b/components/password_manager/core/browser/affiliated_match_helper.cc
index 4c18384055b07924a8c837853238d0f71f82ca75..eb7096803792a568cfe1f2705acd8bbcfdca12b1 100644
--- a/components/password_manager/core/browser/affiliated_match_helper.cc
+++ b/components/password_manager/core/browser/affiliated_match_helper.cc
@@ -133,6 +133,23 @@ bool AffiliatedMatchHelper::IsValidWebCredential(
          facet_uri.IsValidWebFacetURI();
 }
 
+// static
+void AffiliatedMatchHelper::TrimAndroidUsernameOnlyCredentials(

[engedy, 2015/10/13 12:11:33]

nit: Given that the SCHEME is no longer specific to Android, maybe we could
rename this to TrimUsernameOnlyCredentials, and move this out of
AffiliatedMatchHelper?

[vasilii, 2015/10/13 18:05:26]

Done.

+    ScopedVector<autofill::PasswordForm>* android_credentials) {
+  ScopedVector<autofill::PasswordForm> result;
+  for (auto& form : *android_credentials) {
+    if (form->scheme == autofill::PasswordForm::SCHEME_USERNAME_ONLY) {
+      if (form->federation_url.is_empty())
+        continue;
+      else
+        form->skip_zero_click = true;
+    }
+    result.push_back(form);
+    form = nullptr;
+  }
+  android_credentials->swap(result);
+}
+
 void AffiliatedMatchHelper::SetTaskRunnerUsedForWaitingForTesting(
     const scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
   task_runner_for_waiting_ = task_runner;