Add certificate error handling to devtools.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 8adb92cddeaac18195f75ae7a18dbfe43bf4f194..5e6005198755b2c3e6ff54e923ddc7b8d4938b24 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -2288,12 +2288,13 @@ void ChromeContentBrowserClient::AllowCertificateError(
         callback) {
   DCHECK(web_contents);
   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
-    // A sub-resource has a certificate error.  The user doesn't really
+    // A sub-resource has a certificate error. The user doesn't really
     // have a context for making the right decision, so block the
     // request hard, without an info bar to allow showing the insecure
     // content.
-    if (!callback.is_null())
+    if (!callback.is_null()) {

[irisu, 2017/03/06 11:56:49]

Ignore brackets. (Will fix when back on workstation tomorrow - just want to send
this out now to get comments on the rest.)

       callback.Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY);
+    }
     return;
   }