Allow CertStore to be mocked by making its method virtual.

content/browser/cert_store.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 CONTENT_BROWSER_CERT_STORE_H_
 #define CONTENT_BROWSER_CERT_STORE_H_
 #pragma once
 
 #include <map>
 
@@ skipping 17 matching lines @@
 class CONTENT_EXPORT CertStore : public content::NotificationObserver {
  public:
   // Returns the singleton instance of the CertStore.
   static CertStore* GetInstance();
 
   // Stores the specified cert and returns the id associated with it.  The cert
   // is associated to the specified RenderProcessHost.
   // When all the RenderProcessHosts associated with a cert have exited, the
   // cert is removed from the store.
   // Note: ids starts at 1.
-  int StoreCert(net::X509Certificate* cert, int render_process_host_id);
+  virtual int StoreCert(net::X509Certificate* cert, int render_process_host_id);
 
   // Tries to retrieve the previously stored cert associated with the specified
-  // |cert_id|.  Returns whether the cert could be found, and, if |cert| is
+  // |cert_id|. Returns whether the cert could be found, and, if |cert| is
   // non-NULL, copies it in.
-  bool RetrieveCert(int cert_id, scoped_refptr<net::X509Certificate>* cert);
+  virtual bool RetrieveCert(int cert_id,
+                            scoped_refptr<net::X509Certificate>* cert);
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
+ protected:
+  CertStore();
+  virtual ~CertStore();
 
  private:
   friend struct DefaultSingletonTraits<CertStore>;
 
-  CertStore();
-  virtual ~CertStore();
-
   void RegisterForNotification();
 
   // Remove the specified cert from id_to_cert_ and cert_to_id_.
   // NOTE: the caller (RemoveCertsForRenderProcesHost) must hold cert_lock_.
   void RemoveCertInternal(int cert_id);
 
   // Removes all the certs associated with the specified process from the store.
   void RemoveCertsForRenderProcesHost(int render_process_host_id);
 
   typedef std::multimap<int, int> IDMap;
@@ skipping 13 matching lines @@
   int next_cert_id_;
 
   // This lock protects: process_to_ids_, id_to_processes_, id_to_cert_ and
   //                     cert_to_id_.
   base::Lock cert_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(CertStore);
 };
 
 #endif  // CONTENT_BROWSER_CERT_STORE_H_