aura: Fix unit_tests on linux

chrome/browser/profiles/profile_info_cache_unittest.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/profiles/profile_info_cache.h"
 
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ skipping 354 matching lines @@
       gaia_image, GetCache()->GetAvatarIconOfProfileAtIndex(1)));
 
   // Don't use GAIA picture as profile picture.
   GetCache()->SetIsUsingGAIAPictureOfProfileAtIndex(1, false);
   EXPECT_TRUE(IsEqual(
       gaia_image, GetCache()->GetGAIAPictureOfProfileAtIndex(1)));
   EXPECT_TRUE(IsEqual(
       profile_image, GetCache()->GetAvatarIconOfProfileAtIndex(1)));
 }
 
-#if defined(USE_AURA)
-#define MAYBE_PersistGAIAPicture DISABLED_PersistGAIAPicture
-#else
-#define MAYBE_PersistGAIAPicture PersistGAIAPicture
-#endif
-
-TEST_F(ProfileInfoCacheUnittests, MAYBE_PersistGAIAPicture) {
+TEST_F(ProfileInfoCacheUnittests, PersistGAIAPicture) {
   GetCache()->AddProfileToCache(
       GetUserDataDir().Append(StringToFilePath("path_1")),
       ASCIIToUTF16("name_1"), string16(), 0);
   gfx::Image gaia_image(CreateTestImage());
 
   ui_test_utils::WindowedNotificationObserver save_observer(
       chrome::NOTIFICATION_PROFILE_CACHE_PICTURE_SAVED,
       content::NotificationService::AllSources());
   GetCache()->SetGAIAPictureOfProfileAtIndex(0, gaia_image);
   EXPECT_TRUE(IsEqual(
       gaia_image, GetCache()->GetGAIAPictureOfProfileAtIndex(0)));
 
   // Wait for the file to be written to disk then reset the cache.
   save_observer.Wait();
   ResetCache();
 
   // Try to get the GAIA picture. This should return NULL until the read from
   // disk is done.
   ui_test_utils::WindowedNotificationObserver read_observer(
       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
       content::NotificationService::AllSources());
   EXPECT_TRUE(
       GetCache()->GetGAIAPictureOfProfileAtIndex(0).ToSkBitmap()->isNull());
   read_observer.Wait();
   EXPECT_TRUE(IsEqual(
     gaia_image, GetCache()->GetGAIAPictureOfProfileAtIndex(0)));
 }
 
 }  // namespace