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 539fd46cabce965de565a346a8706e8144b05c62..04e4a5498b9103d0bd194aac2e108afe22eb2e71 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"
@@ -139,6 +140,7 @@ RenderFrameDevToolsAgentHost::RenderFrameDevToolsAgentHost(RenderFrameHost* rfh)
       network_handler_(new devtools::network::NetworkHandler()),
       page_handler_(nullptr),
       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(
@@ -152,6 +154,7 @@ RenderFrameDevToolsAgentHost::RenderFrameDevToolsAgentHost(RenderFrameHost* rfh)
   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());
 
@@ -395,6 +398,11 @@ void RenderFrameDevToolsAgentHost::DidCommitProvisionalLoadForFrame(
   service_worker_handler_->UpdateHosts();
 }
 
+void RenderFrameDevToolsAgentHost::SecurityStyleChanged(
+    SecurityStyle security_style) {
+  security_handler_->SecurityStyleChanged(security_style);
+}
+
 void RenderFrameDevToolsAgentHost::SetRenderFrameHost(RenderFrameHost* rfh) {
   DCHECK(ShouldCreateDevToolsFor(rfh));
   DCHECK(!render_frame_host_);