Cleanup unreachable cert adding code

chrome/browser/chrome_content_browser_client.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 166 matching lines @@
       content::ResourceType resource_type,
       bool overridable,
       bool strict_enforcement,
       bool expired_previous_decision,
       const base::Callback<void(content::CertificateRequestResultType)>&
           callback) override;
   void SelectClientCertificate(
       content::WebContents* web_contents,
       net::SSLCertRequestInfo* cert_request_info,
       std::unique_ptr<content::ClientCertificateDelegate> delegate) override;
-  void AddCertificate(net::CertificateMimeType cert_type,
-                      const void* cert_data,
-                      size_t cert_size,
-                      int render_process_id,
-                      int render_frame_id) override;
   content::MediaObserver* GetMediaObserver() override;
   content::PlatformNotificationService* GetPlatformNotificationService()
       override;
   bool CanCreateWindow(const GURL& opener_url,
                        const GURL& opener_top_level_frame_url,
                        const GURL& source_origin,
                        WindowContainerType container_type,
                        const GURL& target_url,
                        const content::Referrer& referrer,
                        const std::string& frame_name,
@@ skipping 154 matching lines @@
   // Vector of additional ChromeContentBrowserClientParts.
   // Parts are deleted in the reverse order they are added.
   std::vector<ChromeContentBrowserClientParts*> extra_parts_;
 
   base::WeakPtrFactory<ChromeContentBrowserClient> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_