Add certificate error handling to devtools.

content/browser/devtools/protocol/security_handler.cc

Index: content/browser/devtools/protocol/security_handler.cc
diff --git a/content/browser/devtools/protocol/security_handler.cc b/content/browser/devtools/protocol/security_handler.cc
index cf214a7fc8782702fab8d8bb77bc1a9cd7b96764..4c5b238af292241860b6d513cccc0530c5cd32d5 100644
--- a/content/browser/devtools/protocol/security_handler.cc
+++ b/content/browser/devtools/protocol/security_handler.cc
@@ -136,6 +136,12 @@ void SecurityHandler::DidChangeVisibleSecurityState() {
       Maybe<std::string>(security_style_explanations.summary));
 }
 
+bool SecurityHandler::NotifyCertificateError(CertErrorHandler handler) {
+  handlers_[++cert_error_id_] = handler;

[Eric Seckler, 2017/01/19 11:42:28]

nit: with next_cert_error_id_, this should become next_cert_error_id_++.
alternative is last_cert_error_id_ if you prefer :)

[irisu, 2017/02/07 23:30:19]

Done.

+  frontend_->CertificateError(cert_error_id_);
+  return true;
+}
+
 Response SecurityHandler::Enable() {
   enabled_ = true;
   if (host_)
@@ -163,5 +169,25 @@ Response SecurityHandler::ShowCertificateViewer() {
   return Response::OK();
 }
 
+Response SecurityHandler::HandleCertificateError(int event_id,
+                                                 const String& in_action) {
+  content::CertificateRequestResultType type =
+      content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
+  Response response = Response::OK();
+  if (in_action == "continue") {
+    type = content::CERTIFICATE_REQUEST_RESULT_TYPE_CONTINUE;
+  } else if (in_action == "cancel") {
+    type = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
+  } else if (in_action == "deny") {
+    type = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
+  } else {
+    response = Response::Error(
+        String("Unknown Certificate Error Action: " + in_action));
+  }
+  handlers_[event_id].Run(type);

[Eric Seckler, 2017/01/19 11:42:28]

We should probably check above whether the provided event_id is valid, and
otherwise answer with an error, too.

[irisu, 2017/02/07 23:30:19]

Done.

+  handlers_.erase(event_id);
+  return response;
+}
+
 }  // namespace protocol
 }  // namespace content