Allow signin to continue even if sync is disabled by policy.

chrome/browser/sync/test/integration/sync_test.cc

Index: chrome/browser/sync/test/integration/sync_test.cc
diff --git a/chrome/browser/sync/test/integration/sync_test.cc b/chrome/browser/sync/test/integration/sync_test.cc
index d050886bebedd229318e1312518167a25459e6cd..336d3a1224c42f80f66737ac00f979173a89f5a0 100644
--- a/chrome/browser/sync/test/integration/sync_test.cc
+++ b/chrome/browser/sync/test/integration/sync_test.cc
@@ -301,6 +301,11 @@ void SyncTest::InitializeInstance(int index) {
   EXPECT_FALSE(GetBrowser(index) == NULL) << "Could not create Browser "
                                           << index << ".";
 
+  // Make sure the ProfileSyncService has been created before creating the
+  // ProfileSyncServiceHarness - some tests expect the ProfileSyncService to
+  // already exist.
+  ProfileSyncServiceFactory::GetForProfile(GetProfile(index));
+
   clients_[index] = new ProfileSyncServiceHarness(GetProfile(index),
                                                   username_,
                                                   password_);