Enable strict-virtual-specifiers for iOS builds.

content/public/browser/resource_context.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_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_
 #define CONTENT_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 14 matching lines @@
 
 namespace content {
 
 class AppCacheService;
 
 // ResourceContext contains the relevant context information required for
 // resource loading. It lives on the IO thread, although it is constructed on
 // the UI thread. It must be destructed on the IO thread.
 class CONTENT_EXPORT ResourceContext : public base::SupportsUserData {
  public:
-#if defined(OS_IOS)
-  virtual ~ResourceContext() {}
-#else
+#if !defined(OS_IOS)
   ResourceContext();
+#endif
   ~ResourceContext() override;
-#endif
   virtual net::HostResolver* GetHostResolver() = 0;
 
   // DEPRECATED: This is no longer a valid given isolated apps/sites and
   // storage partitioning. This getter returns the default context associated
   // with a BrowsingContext.
   virtual net::URLRequestContext* GetRequestContext() = 0;
 
   // Get platform ClientCertStore. May return nullptr.
   virtual scoped_ptr<net::ClientCertStore> CreateClientCertStore();
 
@@ skipping 26 matching lines @@
   //
   // TODO(perkj): Make this method pure virtual when crbug/315022 is
   // fixed.
   typedef base::Callback<std::string()> SaltCallback;
   virtual SaltCallback GetMediaDeviceIDSalt();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_