Re-enable stress sync integration tests

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

 // Copyright (c) 2011 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 "chrome/browser/sync/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 #include "chrome/browser/sync/test/integration/preferences_helper.h"
 #include "chrome/common/pref_names.h"
 
 using preferences_helper::BooleanPrefMatches;
 using preferences_helper::ChangeBooleanPref;
 
 class ManyClientPreferencesSyncTest : public SyncTest {
  public:
   ManyClientPreferencesSyncTest() : SyncTest(MANY_CLIENT) {}
   virtual ~ManyClientPreferencesSyncTest() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ManyClientPreferencesSyncTest);
 };
 
-// TODO(rsimha): Enable once http://crbug.com/69604 is fixed.
-IN_PROC_BROWSER_TEST_F(ManyClientPreferencesSyncTest, DISABLED_Sanity) {
+IN_PROC_BROWSER_TEST_F(ManyClientPreferencesSyncTest, Sanity) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
   ASSERT_TRUE(BooleanPrefMatches(prefs::kHomePageIsNewTabPage));
   ChangeBooleanPref(0, prefs::kHomePageIsNewTabPage);
   ASSERT_TRUE(GetClient(0)->AwaitGroupSyncCycleCompletion(clients()));
   ASSERT_TRUE(BooleanPrefMatches(prefs::kHomePageIsNewTabPage));
 }