Hook up CryptAuthGCMManager to the enrollment and device sync managers.

components/proximity_auth/cryptauth/cryptauth_device_manager_unittest.cc

Index: components/proximity_auth/cryptauth/cryptauth_device_manager_unittest.cc
diff --git a/components/proximity_auth/cryptauth/cryptauth_device_manager_unittest.cc b/components/proximity_auth/cryptauth/cryptauth_device_manager_unittest.cc
index bd02b2fa40087c5686de2c1278fe5403a6b9a205..091d19087d7aa9e687adc85ea315bbfe41b85be0 100644
--- a/components/proximity_auth/cryptauth/cryptauth_device_manager_unittest.cc
+++ b/components/proximity_auth/cryptauth/cryptauth_device_manager_unittest.cc
@@ -10,6 +10,7 @@
 #include "base/strings/stringprintf.h"
 #include "base/test/simple_test_clock.h"
 #include "components/proximity_auth/cryptauth/base64url.h"
+#include "components/proximity_auth/cryptauth/fake_cryptauth_gcm_manager.h"
 #include "components/proximity_auth/cryptauth/mock_cryptauth_client.h"
 #include "components/proximity_auth/cryptauth/mock_sync_scheduler.h"
 #include "components/proximity_auth/cryptauth/pref_names.h"
@@ -104,9 +105,11 @@ class TestCryptAuthDeviceManager : public CryptAuthDeviceManager {
  public:
   TestCryptAuthDeviceManager(scoped_ptr<base::Clock> clock,
                              scoped_ptr<CryptAuthClientFactory> client_factory,
+                             CryptAuthGCMManager* gcm_manager,
                              PrefService* pref_service)
       : CryptAuthDeviceManager(clock.Pass(),
                                client_factory.Pass(),
+                               gcm_manager,
                                pref_service),
         scoped_sync_scheduler_(new NiceMock<MockSyncScheduler>()),
         weak_sync_scheduler_factory_(scoped_sync_scheduler_.get()) {}
@@ -147,8 +150,10 @@ class ProximityAuthCryptAuthDeviceManagerTest
       : clock_(new base::SimpleTestClock()),
         client_factory_(new MockCryptAuthClientFactory(
             MockCryptAuthClientFactory::MockType::MAKE_STRICT_MOCKS)),
+        gcm_manager_("existing gcm registration id"),
         device_manager_(make_scoped_ptr(clock_),
                         make_scoped_ptr(client_factory_),
+                        &gcm_manager_,
                         &pref_service_) {
     client_factory_->AddObserver(this);
   }
@@ -261,6 +266,8 @@ class ProximityAuthCryptAuthDeviceManagerTest
 
   TestingPrefServiceSimple pref_service_;
 
+  FakeCryptAuthGCMManager gcm_manager_;
+
   TestCryptAuthDeviceManager device_manager_;
 
   cryptauth::GetMyDevicesResponse get_my_devices_response_;
@@ -323,7 +330,7 @@ TEST_F(ProximityAuthCryptAuthDeviceManagerTest, InitWithDefaultPrefs) {
       clock.Pass(),
       make_scoped_ptr(new MockCryptAuthClientFactory(
           MockCryptAuthClientFactory::MockType::MAKE_STRICT_MOCKS)),
-      &pref_service);
+      &gcm_manager_, &pref_service);
 
   EXPECT_CALL(
       *(device_manager.GetSyncScheduler()),
@@ -525,4 +532,22 @@ TEST_F(ProximityAuthCryptAuthDeviceManagerTest, SyncTwoUnlockKeys) {
                                   device_manager_.unlock_keys(), pref_service_);
 }
 
+TEST_F(ProximityAuthCryptAuthDeviceManagerTest, SyncOnGCMPushMessage) {
+  device_manager_.Start();
+
+  EXPECT_CALL(*sync_scheduler(), ForceSync());
+  gcm_manager_.PushResyncMessage();
+
+  FireSchedulerForSync(cryptauth::INVOCATION_REASON_SERVER_INITIATED);
+
+  EXPECT_CALL(*this, OnSyncFinishedProxy(
+                         CryptAuthDeviceManager::SyncResult::SUCCESS,
+                         CryptAuthDeviceManager::DeviceChangeResult::CHANGED));
+  success_callback_.Run(get_my_devices_response_);
+
+  ExpectUnlockKeysAndPrefAreEqual(std::vector<cryptauth::ExternalDeviceInfo>(
+                                      1, get_my_devices_response_.devices(0)),
+                                  device_manager_.unlock_keys(), pref_service_);
+}
+
 }  // namespace proximity_auth