Simplify GetLoginsRequest, and let PasswordStore::GetLoginsImpl take scoped_ptr<GetLoginsRequest>

chrome/browser/password_manager/password_store_mac.cc

Index: chrome/browser/password_manager/password_store_mac.cc
diff --git a/chrome/browser/password_manager/password_store_mac.cc b/chrome/browser/password_manager/password_store_mac.cc
index 6605c2eaa0f2e71038f4c2b88d88f401c8fa687c..f5bea72a79e19fcc77276dd7ead222cce9882be4 100644
--- a/chrome/browser/password_manager/password_store_mac.cc
+++ b/chrome/browser/password_manager/password_store_mac.cc
@@ -1086,16 +1086,16 @@ ScopedVector<autofill::PasswordForm> PasswordStoreMac::FillMatchingLogins(
 
 void PasswordStoreMac::GetBlacklistLoginsImpl(
     scoped_ptr<PasswordStore::GetLoginsRequest> request) {
-  DCHECK(request->result()->empty());
-  FillBlacklistLogins(request->result());
-  ForwardLoginsResult(request.Pass());
+  ScopedVector<autofill::PasswordForm> obtained_forms;
+  FillBlacklistLogins(&obtained_forms);
+  request->NotifyConsumerWithResults(obtained_forms.Pass());
 }
 
 void PasswordStoreMac::GetAutofillableLoginsImpl(
     scoped_ptr<PasswordStore::GetLoginsRequest> request) {
-  DCHECK(request->result()->empty());
-  FillAutofillableLogins(request->result());
-  ForwardLoginsResult(request.Pass());
+  ScopedVector<autofill::PasswordForm> obtained_forms;
+  FillAutofillableLogins(&obtained_forms);
+  request->NotifyConsumerWithResults(obtained_forms.Pass());
 }
 
 bool PasswordStoreMac::FillAutofillableLogins(