[Sync] Change strings to reflect sessions -> open tabs naming convention change

chrome/browser/sync/test/live_sync/live_sync_test.cc

Index: chrome/browser/sync/test/live_sync/live_sync_test.cc
diff --git a/chrome/browser/sync/test/live_sync/live_sync_test.cc b/chrome/browser/sync/test/live_sync/live_sync_test.cc
index d47f34e4a0ade8726ea6107067f483f604a4a3ff..78e7de03b2ca6c201db7459d257c45e56018a4bb 100644
--- a/chrome/browser/sync/test/live_sync/live_sync_test.cc
+++ b/chrome/browser/sync/test/live_sync/live_sync_test.cc
@@ -218,8 +218,8 @@ void LiveSyncTest::AddTestSwitches(CommandLine* cl) {
 
 void LiveSyncTest::AddOptionalTypesToCommandLine(CommandLine* cl) {
   // TODO(sync): Remove this once sessions sync is enabled by default.
-  if (!cl->HasSwitch(switches::kEnableSyncSessions))
-    cl->AppendSwitch(switches::kEnableSyncSessions);
+  if (!cl->HasSwitch(switches::kEnableSyncTabs))
+    cl->AppendSwitch(switches::kEnableSyncTabs);
 }
 
 // static