signIn            174 chrome/android/javatests/src/org/chromium/chrome/browser/sync/SyncTest.java                 mSyncController.signIn(activity, SyncTestUtil.DEFAULT_TEST_ACCOUNT);
signIn             60 chrome/android/shell/java/src/org/chromium/chrome/shell/sync/AccountChooserFragment.java         SyncController.get(getActivity()).signIn(getActivity(), accountName);