Implement SecurityHandler to send the lock icon status to DevTools.

content/browser/devtools/render_frame_devtools_agent_host.h

Index: content/browser/devtools/render_frame_devtools_agent_host.h
diff --git a/content/browser/devtools/render_frame_devtools_agent_host.h b/content/browser/devtools/render_frame_devtools_agent_host.h
index 15e6dcd36835341e0f6aaa096f5165713d4bbbe8..d44dc4b57f7b697886d5f38d64c7cae1f715a3d7 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.h
+++ b/content/browser/devtools/render_frame_devtools_agent_host.h
@@ -11,6 +11,7 @@
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/devtools/devtools_agent_host_impl.h"
+#include "content/browser/devtools/protocol/security_handler.h"

[estark, 2015/06/09 05:18:55]

You can forward-declare like the other *Handler classes, and then do the
#include in the .cc file.

[lgarron, 2015/06/09 18:16:57]

Done.

 #include "content/common/content_export.h"
 #include "content/public/browser/web_contents_observer.h"
 
@@ -131,6 +132,7 @@ class CONTENT_EXPORT RenderFrameDevToolsAgentHost
   scoped_ptr<devtools::network::NetworkHandler> network_handler_;
   scoped_ptr<devtools::page::PageHandler> page_handler_;
   scoped_ptr<devtools::power::PowerHandler> power_handler_;
+  scoped_ptr<devtools::security::SecurityHandler> security_handler_;
   scoped_ptr<devtools::service_worker::ServiceWorkerHandler>
       service_worker_handler_;
   scoped_ptr<devtools::tracing::TracingHandler> tracing_handler_;