Fix certificate viewer not showing up for subresources if the devtools window is docked.

chrome/browser/devtools/devtools_window.cc

Index: chrome/browser/devtools/devtools_window.cc
diff --git a/chrome/browser/devtools/devtools_window.cc b/chrome/browser/devtools/devtools_window.cc
index 7875ce06d8b2d1f2fc4ab5d300c0b3b378c5d356..9aeeee44364470735b20980892337f9df82afdce 100644
--- a/chrome/browser/devtools/devtools_window.cc
+++ b/chrome/browser/devtools/devtools_window.cc
@@ -1109,6 +1109,12 @@ bool DevToolsWindow::PreHandleGestureEvent(
       event.type == blink::WebGestureEvent::GesturePinchEnd;
 }
 
+void DevToolsWindow::ShowCertificateViewerInDevTools(
+    content::WebContents* web_contents,
+    scoped_refptr<net::X509Certificate> certificate) {
+  ShowCertificateViewer(certificate);
+}
+
 void DevToolsWindow::ActivateWindow() {
   if (life_stage_ != kLoadCompleted)
     return;