Reland of Enable RL by default

ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory_unittest.cc

Index: ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory_unittest.cc
diff --git a/ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory_unittest.cc b/ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory_unittest.cc
index 6bb725a44d7f9c850ca9d1d5b281580d9d84d5d6..07bed712ae0cc2ad250d4226bba5ab37a250e410 100644
--- a/ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory_unittest.cc
+++ b/ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory_unittest.cc
@@ -45,6 +45,7 @@ class IOSChromeProfileSyncServiceFactoryTest : public testing::Test {
     datatypes.push_back(syncer::PASSWORDS);
     datatypes.push_back(syncer::PREFERENCES);
     datatypes.push_back(syncer::PRIORITY_PREFERENCES);
+    datatypes.push_back(syncer::READING_LIST);

[noyau (Ping after 24h), 2016/12/12 15:50:09]

Should this be driven by the build flag as well?

[Olivier, 2016/12/12 17:55:58]

Done.

     datatypes.push_back(syncer::SESSIONS);
     datatypes.push_back(syncer::PROXY_TABS);
     datatypes.push_back(syncer::TYPED_URLS);