Add pinned cert interstitial to chrome://interstitials

chrome/browser/ui/webui/interstitials/interstitial_ui.cc

Index: chrome/browser/ui/webui/interstitials/interstitial_ui.cc
diff --git a/chrome/browser/ui/webui/interstitials/interstitial_ui.cc b/chrome/browser/ui/webui/interstitials/interstitial_ui.cc
index 9c5f0cabab111df2ec4ec93f00805417cdb115a7..d85f75dfa9904505f5c2b05cf476954b76090892 100644
--- a/chrome/browser/ui/webui/interstitials/interstitial_ui.cc
+++ b/chrome/browser/ui/webui/interstitials/interstitial_ui.cc
@@ -137,8 +137,9 @@ SSLBlockingPage* CreateSSLBlockingPage(content::WebContents* web_contents) {
   if (net::GetValueForKeyInQuery(web_contents->GetURL(),
                                  "url",
                                  &url_param)) {
-    if (GURL(url_param).is_valid())
+    if (GURL(url_param).is_valid()) {
       request_url = GURL(url_param);
+    }
   }
   std::string overridable_param;
   if (net::GetValueForKeyInQuery(web_contents->GetURL(),
@@ -152,6 +153,12 @@ SSLBlockingPage* CreateSSLBlockingPage(content::WebContents* web_contents) {
                                  &strict_enforcement_param)) {
     strict_enforcement = strict_enforcement_param == "1";
   }
+  std::string type_param;
+  if (net::GetValueForKeyInQuery(web_contents->GetURL(), "type", &type_param)) {
+    if (type_param == "pinned_cert") {

[lgarron, 2017/06/27 00:55:59]

"pinned_cert" is still a bit general. How about "pinning_failure" or
"hpkp_failure"?

+      cert_error = net::ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN;
+    }
+  }
   net::SSLInfo ssl_info;
   ssl_info.cert = ssl_info.unverified_cert = CreateFakeCert();
   // This delegate doesn't create an interstitial.
@@ -224,8 +231,9 @@ safe_browsing::SafeBrowsingBlockingPage* CreateSafeBrowsingBlockingPage(
   if (net::GetValueForKeyInQuery(web_contents->GetURL(),
                                  "url",
                                  &url_param)) {
-    if (GURL(url_param).is_valid())
+    if (GURL(url_param).is_valid()) {
       request_url = GURL(url_param);
+    }
   }
   GURL main_frame_url(request_url);
   // TODO(mattm): add flag to change main_frame_url or add dedicated flag to