[Extensions] Introduce a ScopedExtensionDialogAutoConfirm

extensions/browser/extension_dialog_auto_confirm.cc

Index: extensions/browser/extension_dialog_auto_confirm.cc
diff --git a/extensions/browser/extension_dialog_auto_confirm.cc b/extensions/browser/extension_dialog_auto_confirm.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d3b125784f5dda4aa76884d5f3e0d41996c7b77d
--- /dev/null
+++ b/extensions/browser/extension_dialog_auto_confirm.cc
@@ -0,0 +1,14 @@
+// Copyright 2015 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 "extensions/browser/extension_dialog_auto_confirm.h"
+
+namespace extensions {
+
+ExtensionDialogAutoConfirm g_auto_confirm_uninstall_for_testing =
+    AUTO_CONFIRM_NONE;
+ExtensionDialogAutoConfirm g_auto_confirm_install_for_testing =
+    AUTO_CONFIRM_NONE;
+
+}  // namespace extensions