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

chrome/browser/chromeos/login/login_utils_browsertest.cc

Index: chrome/browser/chromeos/login/login_utils_browsertest.cc
diff --git a/chrome/browser/chromeos/login/login_utils_browsertest.cc b/chrome/browser/chromeos/login/login_utils_browsertest.cc
index ab90a32f1725503624e06f832e8454337ee39e56..1aa95dcd76c6acc43ee53aadef7d45feb4872453 100644
--- a/chrome/browser/chromeos/login/login_utils_browsertest.cc
+++ b/chrome/browser/chromeos/login/login_utils_browsertest.cc
@@ -28,6 +28,7 @@
 #include "chrome/browser/policy/policy_service.h"
 #include "chrome/browser/policy/proto/device_management_backend.pb.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/rlz/rlz.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
@@ -50,6 +51,10 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if defined(ENABLE_RLZ)
+#include "rlz/lib/rlz_value_store.h"
+#endif
+
 namespace chromeos {
 
 namespace {
@@ -264,6 +269,11 @@ class LoginUtilsTest : public testing::Test,
                                         NULL, NULL));
     browser_process_->SetIOThread(io_thread_state_.get());
 
+#if defined(ENABLE_RLZ)
+    rlz_lib::testing::SetRlzStoreDirectory(scoped_temp_dir_.path());
+    RLZTracker::EnableZeroDelayForTesting();
+#endif
+
     RunUntilIdle();
   }
 
@@ -276,6 +286,9 @@ class LoginUtilsTest : public testing::Test,
     InvokeOnIO(
         base::Bind(&LoginUtilsTest::TearDownOnIO, base::Unretained(this)));
 
+    // LoginUtils instance must not outlive Profile instances.
+    LoginUtils::Set(NULL);
+
     // These trigger some tasks that have to run while BrowserThread::UI
     // exists. Delete all the profiles before deleting the connector.
     browser_process_->SetProfileManager(NULL);