Implement origin-based deletion for passwords in PasswordDefaultMac.

components/password_manager/core/browser/password_manager_test_utils.h

Index: components/password_manager/core/browser/password_manager_test_utils.h
diff --git a/components/password_manager/core/browser/password_manager_test_utils.h b/components/password_manager/core/browser/password_manager_test_utils.h
index a3c1a6df43930abecc2dec331d21a6d60b74e7f1..aafd1c650dae9a5634745e51196185773d4ca2bc 100644
--- a/components/password_manager/core/browser/password_manager_test_utils.h
+++ b/components/password_manager/core/browser/password_manager_test_utils.h
@@ -10,6 +10,7 @@
 
 #include "base/memory/scoped_ptr.h"
 #include "components/autofill/core/common/password_form.h"
+#include "components/password_manager/core/browser/password_store.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 // TODO(sync): This file must eventually be refactored away -- crbug.com/87185.
@@ -61,6 +62,14 @@ MATCHER_P(UnorderedPasswordFormElementsAre, expectations, "") {
                                              result_listener->stream());
 }
 
+class MockPasswordStoreObserver : public PasswordStore::Observer {

[Timo Reimann, 2015/10/20 20:47:09]

Completely equal (but distinct) implementations of MockPasswordStoreObserver are
shared among all store tests.  Since password_manager_test_utils.h is also
included by all of them, it seemed natural to have one central mock
implementations and drop the private ones.

[vasilii, 2015/10/21 16:47:56]

Acknowledged.

+ public:
+  MockPasswordStoreObserver();
+  ~MockPasswordStoreObserver();
+
+  MOCK_METHOD1(OnLoginsChanged, void(const PasswordStoreChangeList& changes));
+};
+
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_TEST_UTILS_H_