[cros] RLZ tracking can be turned off via a flag file.

chrome/browser/rlz/rlz.cc

Index: chrome/browser/rlz/rlz.cc
diff --git a/chrome/browser/rlz/rlz.cc b/chrome/browser/rlz/rlz.cc
index 7048b925b0c14d3c2f54dca8ccf241284589b9dd..53fac88ebd4ebef5ab9193cb10629c759d19f49e 100644
--- a/chrome/browser/rlz/rlz.cc
+++ b/chrome/browser/rlz/rlz.cc
@@ -180,6 +180,7 @@ RLZTracker::RLZTracker()
       is_google_default_search_(false),
       is_google_homepage_(false),
       is_google_in_startpages_(false),
+      worker_pool_token_(BrowserThread::GetBlockingPool()->GetSequenceToken()),
       already_ran_(false),
       omnibox_used_(false),
       homepage_used_(false) {
@@ -294,15 +295,14 @@ bool RLZTracker::Init(bool first_run,
 void RLZTracker::ScheduleDelayedInit(int delay) {
   // The RLZTracker is a singleton object that outlives any runnable tasks
   // that will be queued up.
-  BrowserThread::GetBlockingPool()->PostDelayedTask(
+  BrowserThread::GetBlockingPool()->PostDelayedSequencedWorkerTask(
+      worker_pool_token_,
       FROM_HERE,
       base::Bind(&RLZTracker::DelayedInit, base::Unretained(this)),
       base::TimeDelta::FromMilliseconds(delay));
 }
 
 void RLZTracker::DelayedInit() {
-  worker_pool_token_ = BrowserThread::GetBlockingPool()->GetSequenceToken();
-
   bool schedule_ping = false;
 
   // For organic brandcodes do not use rlz at all. Empty brandcode usually
@@ -432,10 +432,6 @@ bool RLZTracker::ScheduleRecordProductEvent(rlz_lib::Product product,
                                             rlz_lib::Event event_id) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI))
     return false;
-  if (!already_ran_) {
-    LOG(ERROR) << "Attempted recording RLZ event before RLZ init.";
-    return true;
-  }
 
   BrowserThread::GetBlockingPool()->PostSequencedWorkerTask(
       worker_pool_token_,