Attempt to fix flaky ChromeOS test timeouts.

chrome/browser/chromeos/login/users/avatar/user_image_manager_browsertest.cc

Index: chrome/browser/chromeos/login/users/avatar/user_image_manager_browsertest.cc
diff --git a/chrome/browser/chromeos/login/users/avatar/user_image_manager_browsertest.cc b/chrome/browser/chromeos/login/users/avatar/user_image_manager_browsertest.cc
index b3bc4e5be28d453ab5171347b10e031b50c04ca7..d4f0e7bfa3159ae2c5d2b1145dfb074e1df946ec 100644
--- a/chrome/browser/chromeos/login/users/avatar/user_image_manager_browsertest.cc
+++ b/chrome/browser/chromeos/login/users/avatar/user_image_manager_browsertest.cc
@@ -516,9 +516,7 @@ IN_PROC_BROWSER_TEST_F(UserImageManagerTest,
 
 // Verifies that SaveUserImageFromProfileImage() correctly downloads, sets and
 // persists the chosen user image.
-// Disabled for timeouts.  https://crbug.com/423015
-IN_PROC_BROWSER_TEST_F(UserImageManagerTest,
-                       DISABLED_SaveUserImageFromProfileImage) {
+IN_PROC_BROWSER_TEST_F(UserImageManagerTest, SaveUserImageFromProfileImage) {
   const user_manager::User* user =
       user_manager::UserManager::Get()->FindUser(kTestUser1);
   ASSERT_TRUE(user);