added the allowcertificateerror method to the headless browser client so that it can handle certifi…

headless/lib/browser/headless_content_browser_client.h

 // Copyright 2015 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.
 
 #ifndef HEADLESS_LIB_BROWSER_HEADLESS_CONTENT_BROWSER_CLIENT_H_
 #define HEADLESS_LIB_BROWSER_HEADLESS_CONTENT_BROWSER_CLIENT_H_
 
 #include "content/public/browser/content_browser_client.h"
 #include "headless/lib/browser/headless_resource_dispatcher_host_delegate.h"
 
@@ skipping 20 matching lines @@
       const storage::OptionalQuotaSettingsCallback& callback) override;
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   void GetAdditionalMappedFilesForChildProcess(
       const base::CommandLine& command_line,
       int child_process_id,
       content::FileDescriptorInfo* mappings) override;
 #endif
   void AppendExtraCommandLineSwitches(base::CommandLine* command_line,
                                       int child_process_id) override;
 
+  void AllowCertificateError(
+      content::WebContents* web_contents,
+      int cert_error,
+      const net::SSLInfo& ssl_info,
+      const GURL& request_url,
+      content::ResourceType resource_type,
+      bool overridable,
+      bool strict_enforcement,
+      bool expired_previous_decision,
+      const base::Callback<void(content::CertificateRequestResultType)>&
+          callback) override;
+
   void ResourceDispatcherHostCreated() override;
 
  private:
   HeadlessBrowserImpl* browser_;  // Not owned.
 
   std::unique_ptr<HeadlessResourceDispatcherHostDelegate>
       resource_dispatcher_host_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(HeadlessContentBrowserClient);
 };
 
 }  // namespace headless
 
 #endif  // HEADLESS_LIB_BROWSER_HEADLESS_CONTENT_BROWSER_CLIENT_H_