Add security handler stub for sending the lock icon status to DevTools.

content/browser/devtools/protocol/security_handler.h

+// 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.
+
+#ifndef CONTENT_BROWSER_DEVTOOLS_PROTOCOL_SECURITY_HANDLER_H_
+#define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_SECURITY_HANDLER_H_
+
+#include "content/browser/devtools/devtools_protocol_handler.h"
+#include "content/public/common/security_style.h"
+
+namespace content {
+namespace devtools {
+namespace security {
+
+class SecurityHandler {
+ public:
+  typedef DevToolsProtocolClient::Response Response;
+
+  SecurityHandler();
+  ~SecurityHandler();
+
+  void SetClient(scoped_ptr<Client> client);

[estark, 2015/06/09 05:07:48]

Does this build? I thought the Client definition would be generated code, e.g.
https://code.google.com/p/chromium/codesearch#chromium/src/out/Debug/gen/cont...

[lgarron, 2015/06/09 18:17:24]

It does not build. Not sure how I ended up committing that. Fixed int he latest
patch.

+
+  Response Enable();
+  Response Disable();
+
+ private:
+
+  DISALLOW_COPY_AND_ASSIGN(SecurityHandler);
+};
+
+}  // namespace security
+}  // namespace devtools
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_SECURITY_HANDLER_H_