Fix syncing of system theme on Linux

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

 // Copyright (c) 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/basictypes.h"
 #include "chrome/browser/sync/test/integration/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/sync_integration_test_util.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 #include "chrome/browser/sync/test/integration/themes_helper.h"
 
@@ skipping 50 matching lines @@
   ASSERT_FALSE(UsingCustomTheme(GetProfile(1)));
   // TODO(akalin): Add functions to simulate when a pending extension
   // is installed as well as when a pending extension fails to
   // install.
   ASSERT_TRUE(ThemeIsPendingInstall(GetProfile(1), GetCustomTheme(0)));
   ASSERT_EQ(GetCustomTheme(0), GetThemeID(verifier()));
 }
 
 // TCM ID - 3599303.
 // TODO(sync): Fails on Chrome OS. See http://crbug.com/84575.
-// TODO(erg): Fails on linux_aura. See http://crbug.com/304554
-#if defined(OS_CHROMEOS) || defined(OS_LINUX)
+#if defined(OS_CHROMEOS)
 IN_PROC_BROWSER_TEST_F(TwoClientThemesSyncTest, DISABLED_NativeTheme) {
 #else
 IN_PROC_BROWSER_TEST_F(TwoClientThemesSyncTest, NativeTheme) {
 #endif  // OS_CHROMEOS
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
 
   UseCustomTheme(GetProfile(0), 0);
   UseCustomTheme(GetProfile(1), 0);
   UseCustomTheme(verifier(), 0);
 
@@ skipping 166 matching lines @@
   ASSERT_EQ(GetCustomTheme(0), GetThemeID(verifier()));
 
   ASSERT_TRUE(GetClient(1)->EnableSyncForAllDatatypes());
   ASSERT_TRUE(AwaitQuiescence());
 
   ASSERT_EQ(GetCustomTheme(0), GetThemeID(GetProfile(0)));
   ASSERT_EQ(GetCustomTheme(0), GetThemeID(verifier()));
   ASSERT_FALSE(UsingCustomTheme(GetProfile(1)));
   ASSERT_TRUE(ThemeIsPendingInstall(GetProfile(1), GetCustomTheme(0)));
 }