Add shutdown notification and service refs to SyncServiceObserver.

components/ntp_snippets/sessions/tab_delegate_sync_adapter_unittest.cc

Index: components/ntp_snippets/sessions/tab_delegate_sync_adapter_unittest.cc
diff --git a/components/ntp_snippets/sessions/tab_delegate_sync_adapter_unittest.cc b/components/ntp_snippets/sessions/tab_delegate_sync_adapter_unittest.cc
index b10c7d56f093f308f89710855367f5c2d4df8d4b..6b28496bc8e842be15af236dff9e72a50860509a 100644
--- a/components/ntp_snippets/sessions/tab_delegate_sync_adapter_unittest.cc
+++ b/components/ntp_snippets/sessions/tab_delegate_sync_adapter_unittest.cc
@@ -85,28 +85,28 @@ class TabDelegateSyncAdapterTest : public Test {
 // having open tabs.
 TEST_F(TabDelegateSyncAdapterTest, CallbackCount) {
   ASSERT_EQ(0, CallbackCount());
-  observer()->OnStateChanged();
+  observer()->OnStateChanged(&service_);
   EXPECT_EQ(0, CallbackCount());
 
   SetHasOpenTabs(true);
-  observer()->OnStateChanged();
+  observer()->OnStateChanged(&service_);
   EXPECT_EQ(1, CallbackCount());
-  observer()->OnStateChanged();
+  observer()->OnStateChanged(&service_);
   EXPECT_EQ(1, CallbackCount());
 
   SetHasOpenTabs(false);
-  observer()->OnStateChanged();
+  observer()->OnStateChanged(&service_);
   EXPECT_EQ(2, CallbackCount());
-  observer()->OnStateChanged();
+  observer()->OnStateChanged(&service_);
   EXPECT_EQ(2, CallbackCount());
 
   // OnSyncCycleCompleted should behave like OnStateChanged.
-  observer()->OnSyncCycleCompleted();
+  observer()->OnSyncCycleCompleted(&service_);
   EXPECT_EQ(2, CallbackCount());
   SetHasOpenTabs(true);
-  observer()->OnSyncCycleCompleted();
+  observer()->OnSyncCycleCompleted(&service_);
   EXPECT_EQ(3, CallbackCount());
-  observer()->OnSyncCycleCompleted();
+  observer()->OnSyncCycleCompleted(&service_);
   EXPECT_EQ(3, CallbackCount());
 }
 
@@ -114,26 +114,26 @@ TEST_F(TabDelegateSyncAdapterTest, CallbackCount) {
 TEST_F(TabDelegateSyncAdapterTest, OnSyncConfigurationCompleted) {
   ASSERT_EQ(0, CallbackCount());
 
-  observer()->OnSyncConfigurationCompleted();
+  observer()->OnSyncConfigurationCompleted(&service_);
   EXPECT_EQ(0, CallbackCount());
 
   SetHasOpenTabs(true);
-  observer()->OnSyncConfigurationCompleted();
+  observer()->OnSyncConfigurationCompleted(&service_);
   EXPECT_EQ(0, CallbackCount());
 }
 
 // OnForeignSessionUpdated should always trigger a callback.
 TEST_F(TabDelegateSyncAdapterTest, OnForeignSessionUpdated) {
   ASSERT_EQ(0, CallbackCount());
-  observer()->OnForeignSessionUpdated();
+  observer()->OnForeignSessionUpdated(&service_);
   EXPECT_EQ(1, CallbackCount());
-  observer()->OnForeignSessionUpdated();
+  observer()->OnForeignSessionUpdated(&service_);
   EXPECT_EQ(2, CallbackCount());
 
   SetHasOpenTabs(true);
-  observer()->OnForeignSessionUpdated();
+  observer()->OnForeignSessionUpdated(&service_);
   EXPECT_EQ(3, CallbackCount());
-  observer()->OnForeignSessionUpdated();
+  observer()->OnForeignSessionUpdated(&service_);
   EXPECT_EQ(4, CallbackCount());
 }
 
@@ -141,10 +141,10 @@ TEST_F(TabDelegateSyncAdapterTest, OnForeignSessionUpdated) {
 // OnStateChanged should not trigger a callback.
 TEST_F(TabDelegateSyncAdapterTest, OnForeignSessionUpdatedUpdatesState) {
   SetHasOpenTabs(true);
-  observer()->OnForeignSessionUpdated();
+  observer()->OnForeignSessionUpdated(&service_);
   EXPECT_EQ(1, CallbackCount());
 
-  observer()->OnStateChanged();
+  observer()->OnStateChanged(&service_);
   EXPECT_EQ(1, CallbackCount());
 }