Fix sync E2E tests due to unclosed avatar windows.

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

Index: chrome/browser/sync/test/integration/sync_test.cc
diff --git a/chrome/browser/sync/test/integration/sync_test.cc b/chrome/browser/sync/test/integration/sync_test.cc
index 138bfefa5e9d4ff5712a50e265f91f2109796ae0..9522fd11152da3523a5cb28266c57de9bcb25d3d 100644
--- a/chrome/browser/sync/test/integration/sync_test.cc
+++ b/chrome/browser/sync/test/integration/sync_test.cc
@@ -45,6 +45,7 @@
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/browser/ui/views/profiles/profile_chooser_view.h"
 #include "chrome/browser/ui/webui/signin/login_ui_service.h"
 #include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
 #include "chrome/common/chrome_constants.h"
@@ -614,6 +615,17 @@ bool SyncTest::SetupSync() {
       LoginUIServiceFactory::GetForProfile(GetProfile(i))->
           SyncConfirmationUIClosed(false /* configure_sync_first */);
     }
+
+    // With external servers, profile paths are created outside user_data_dir.
+    // This causes the ProfileManager to show an avatar bubble without an anchor
+    // view. The bubble is then not destroyed at shutdown, crbug.com/527505.
+    // This is a fix to explicitly close the bubble early on.
+    // ProfileChooserView is available on few platforms including Linux which is
+    // the only supported platform for ExternalServers.
+#if defined(OS_LINUX)
+    // TODO(shadi): Remove this hack once crbug.com/527505 is fixed.
+    ProfileChooserView::Hide();
+#endif  // defined(OS_LINUX)
   }
 
   return true;