Added Protector, hooked up DSE verification with error bubble.

chrome/browser/protector/keys.h

Index: chrome/browser/protector/keys.h
diff --git a/chrome/browser/protector/keys.h b/chrome/browser/protector/keys.h
new file mode 100644
index 0000000000000000000000000000000000000000..69791f407f17efe5981674d152c1dbdd9951e220
--- /dev/null
+++ b/chrome/browser/protector/keys.h
@@ -0,0 +1,18 @@
+// 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.
+
+#ifndef CHROME_BROWSER_PROTECTOR_KEYS_H_
+#define CHROME_BROWSER_PROTECTOR_KEYS_H_
+#pragma once
+
+namespace protector {
+
+// When changing the key, be sure to add migration code to keep user's
+// settings safe.
+extern const char kProtectorSigningKey[];
+
+}  // namespace protector
+
+#endif  // CHROME_BROWSER_PROTECTOR_KEYS_H_
+