Extract kArcEnabled preference from ArcSessionManager part 2.

chrome/browser/ui/views/arc_app_dialog_view_browsertest.cc

Index: chrome/browser/ui/views/arc_app_dialog_view_browsertest.cc
diff --git a/chrome/browser/ui/views/arc_app_dialog_view_browsertest.cc b/chrome/browser/ui/views/arc_app_dialog_view_browsertest.cc
index 2c90eeaa96d38c26e50097331ba08e8c96dd0be4..2df93190cb377531c098d950bc5f9579bef829dc 100644
--- a/chrome/browser/ui/views/arc_app_dialog_view_browsertest.cc
+++ b/chrome/browser/ui/views/arc_app_dialog_view_browsertest.cc
@@ -6,6 +6,7 @@
 
 #include "base/command_line.h"
 #include "base/macros.h"
+#include "chrome/browser/chromeos/arc/arc_auth_notification.h"
 #include "chrome/browser/chromeos/arc/arc_session_manager.h"
 #include "chrome/browser/chromeos/arc/arc_util.h"
 #include "chrome/browser/profiles/profile.h"
@@ -39,6 +40,7 @@ class ArcAppUninstallDialogViewBrowserTest : public InProcessBrowserTest {
   void SetUpInProcessBrowserTestFixture() override {
     InProcessBrowserTest::SetUpInProcessBrowserTestFixture();
     ArcSessionManager::DisableUIForTesting();
+    ArcAuthNotification::DisableForTesting();
   }
 
   void SetUpOnMainThread() override {