Implement SecurityHandler to send the lock icon status to DevTools.

content/browser/devtools/render_frame_devtools_agent_host.cc

Index: content/browser/devtools/render_frame_devtools_agent_host.cc
diff --git a/content/browser/devtools/render_frame_devtools_agent_host.cc b/content/browser/devtools/render_frame_devtools_agent_host.cc
index c3e2ec9c556dab330b1a0c9ef6ed2ed4f95dd76e..03d10d35c6a23f404a00444ce272064fbebeddfe 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.cc
+++ b/content/browser/devtools/render_frame_devtools_agent_host.cc
@@ -17,6 +17,7 @@
 #include "content/browser/devtools/protocol/network_handler.h"
 #include "content/browser/devtools/protocol/page_handler.h"
 #include "content/browser/devtools/protocol/power_handler.h"
+#include "content/browser/devtools/protocol/security_handler.h"
 #include "content/browser/devtools/protocol/service_worker_handler.h"
 #include "content/browser/devtools/protocol/tracing_handler.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
@@ -293,8 +294,8 @@ RenderFrameDevToolsAgentHost::RenderFrameDevToolsAgentHost(
       input_handler_(new devtools::input::InputHandler()),
       inspector_handler_(new devtools::inspector::InspectorHandler()),
       network_handler_(new devtools::network::NetworkHandler()),
-      page_handler_(nullptr),

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

Why did this get deleted? Mistake?

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

This was deleted in an intervening ToT commit, which causes a spurious crrev
diff.

       power_handler_(new devtools::power::PowerHandler()),
+      security_handler_(new devtools::security::SecurityHandler()),
       service_worker_handler_(
           new devtools::service_worker::ServiceWorkerHandler()),
       tracing_handler_(new devtools::tracing::TracingHandler(
@@ -311,6 +312,7 @@ RenderFrameDevToolsAgentHost::RenderFrameDevToolsAgentHost(
   dispatcher->SetInspectorHandler(inspector_handler_.get());
   dispatcher->SetNetworkHandler(network_handler_.get());
   dispatcher->SetPowerHandler(power_handler_.get());
+  dispatcher->SetSecurityHandler(security_handler_.get());
   dispatcher->SetServiceWorkerHandler(service_worker_handler_.get());
   dispatcher->SetTracingHandler(tracing_handler_.get());
 
@@ -604,6 +606,8 @@ void RenderFrameDevToolsAgentHost::UpdateProtocolHandlers(
   if (page_handler_)
     page_handler_->SetRenderFrameHost(host);
   service_worker_handler_->SetRenderFrameHost(host);
+  if (security_handler_)
+    security_handler_->SetRenderFrameHost(host);
 }
 
 void RenderFrameDevToolsAgentHost::DisconnectWebContents() {