[Sync] Enable SyncBackendHostTest.FirstTimeSync on IOS

components/sync/driver/glue/sync_backend_host_impl_unittest.cc

Index: components/sync/driver/glue/sync_backend_host_impl_unittest.cc
diff --git a/components/sync/driver/glue/sync_backend_host_impl_unittest.cc b/components/sync/driver/glue/sync_backend_host_impl_unittest.cc
index e44a916f315cd8144d7abeb5b464d0cdf8f34a77..61082421de2eeff140b3892f8316520420092c35 100644
--- a/components/sync/driver/glue/sync_backend_host_impl_unittest.cc
+++ b/components/sync/driver/glue/sync_backend_host_impl_unittest.cc
@@ -294,12 +294,7 @@ TEST_F(SyncBackendHostTest, InitShutdown) {
 
 // Test first time sync scenario. All types should be properly configured.
 
-#if defined(OS_IOS)
-// http://crbug.com/658619
-#define MAYBE_FirstTimeSync DISABLED_FirstTimeSync
-#else
 #define MAYBE_FirstTimeSync FirstTimeSync

[Nicolas Zea, 2016/11/23 00:49:21]

nit: just remove this line, and rename the test back to FirstTimeSync. No reason
to leave MAYBE_FirstTimeSync around.

[Gang Wu, 2016/11/23 17:34:11]

Done.

-#endif
 TEST_F(SyncBackendHostTest, MAYBE_FirstTimeSync) {
   InitializeBackend(true);
   EXPECT_EQ(ControlTypes(), fake_manager_->GetAndResetDownloadedTypes());