Add certificate error handling to devtools.

content/public/browser/web_contents.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/browser/web_contents.h"
 
 #include <utility>
 
 #include "content/public/common/child_process_host.h"
 #include "ipc/ipc_message.h"
@@ skipping 19 matching lines @@
       context(nullptr),
       renderer_initiated_creation(false),
       initialize_renderer(false) {
 }
 
 WebContents::CreateParams::CreateParams(const CreateParams& other) = default;
 
 WebContents::CreateParams::~CreateParams() {
 }
 
+bool WebContents::NotifyCertificateError(CertErrorCallback handler) {
+  return false;
+}
+
 }  // namespace content