[USS] Fix USS in sync_integration_tests in chromeos

chrome/browser/sync/test/integration/single_client_sessions_sync_test.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/macros.h"
 #include "base/test/histogram_tester.h"
 #include "chrome/browser/sessions/session_service.h"
 #include "chrome/browser/sync/test/integration/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/sessions_helper.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 #include "chrome/browser/sync/test/integration/typed_urls_helper.h"
 #include "chrome/browser/sync/test/integration/updated_progress_marker_checker.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "components/browser_sync/profile_sync_service.h"
 #include "components/history/core/browser/history_types.h"
 #include "components/sessions/core/session_types.h"
 #include "components/sync/base/time.h"
 #include "components/sync/driver/sync_driver_switches.h"
 #include "components/sync/test/fake_server/fake_server_verifier.h"
 #include "components/sync/test/fake_server/sessions_hierarchy.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/chromeos_switches.h"
+#endif
+
 using base::HistogramBase;
 using base::HistogramSamples;
 using base::HistogramTester;
 using fake_server::SessionsHierarchy;
 using sessions_helper::CheckInitialState;
 using sessions_helper::GetLocalWindows;
 using sessions_helper::GetSessionData;
 using sessions_helper::ModelAssociatorHasTabWithUrl;
 using sessions_helper::OpenTabAndGetLocalWindows;
 using sessions_helper::ScopedWindowMap;
@@ skipping 26 matching lines @@
   void SetUpCommandLine(base::CommandLine* cl) override {
     // This is a hacky override of the switches set in
     // SyncTest::SetUpCommandLine() to avoid the switch that speeds up nudge
     // delays. CookieJarMismatch asserts exact histogram counts assuming that
     // sync is relatively slow, so we preserve that assumption.
     if (!cl->HasSwitch(switches::kDisableBackgroundNetworking))
       cl->AppendSwitch(switches::kDisableBackgroundNetworking);
 
     if (!cl->HasSwitch(switches::kSyncShortInitialRetryOverride))
       cl->AppendSwitch(switches::kSyncShortInitialRetryOverride);
+
+// kIgnoreUserProfileMappingForTests will let UserManager always return active

[skym, 2017/02/22 15:45:40]

This indentation is wrong now.

[Gang Wu, 2017/02/22 16:02:08]

Done.

+// user. If not set this switch, sync test's profile will not match

[skym, 2017/02/22 15:45:40]

If this switch is not set,

[Gang Wu, 2017/02/22 16:02:08]

Done.

+// UserManager's active user, then UserManager won't return active user to our
+// tests.
+#if defined(OS_CHROMEOS)
+    if (!cl->HasSwitch(chromeos::switches::kIgnoreUserProfileMappingForTests))
+      cl->AppendSwitch(chromeos::switches::kIgnoreUserProfileMappingForTests);
+#endif
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SingleClientSessionsSyncTest);
 };
 
 IN_PROC_BROWSER_TEST_F(SingleClientSessionsSyncTest, Sanity) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
 
   ASSERT_TRUE(CheckInitialState(0));
@@ skipping 157 matching lines @@
     // Verify the cookie jar mismatch bool is set to false.
     ASSERT_TRUE(GetFakeServer()->GetLastCommitMessage(&message));
     ASSERT_FALSE(message.commit().config_params().cookie_jar_mismatch());
 
     // Verify the histograms were recorded properly.
     ExpectUniqueSampleGE(histogram_tester, "Sync.CookieJarMatchOnNavigation",
                          true, 1);
     histogram_tester.ExpectTotalCount("Sync.CookieJarEmptyOnMismatch", 0);
   }
 }