ppapi: PPB_VpnProvider: Implement permission check

content/public/browser/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 CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 569 matching lines @@
   // the given |browser_context| and |url|. If |params| is nullptr, this method
   // checks the basic "socket" permission, which is for those operations that
   // don't require a specific socket permission rule.
   // |private_api| indicates whether this permission check is for the private
   // Pepper socket API or the public one.
   virtual bool AllowPepperSocketAPI(BrowserContext* browser_context,
                                     const GURL& url,
                                     bool private_api,
                                     const SocketPermissionRequest* params);
 
+  // Returns true if the "vpnProvider" permission is allowed from the given
+  // |browser_context| and |url|.
+  virtual bool IsPepperVpnProviderAPIAllowed(BrowserContext* browser_context,
+                                             const GURL& url);
+
   // Returns an implementation of a file selecition policy. Can return nullptr.
   virtual ui::SelectFilePolicy* CreateSelectFilePolicy(
       WebContents* web_contents);
 
   // Returns additional allowed scheme set which can access files in
   // FileSystem API.
   virtual void GetAdditionalAllowedSchemesForFileSystem(
       std::vector<std::string>* additional_schemes) {}
 
   // Returns auto mount handlers for URL requests for FileSystem APIs.
@@ skipping 172 matching lines @@
   // Allows an embedder to provide its own ExternalVideoSurfaceContainer
   // implementation.  Return nullptr to disable external surface video.
   virtual ExternalVideoSurfaceContainer*
   OverrideCreateExternalVideoSurfaceContainer(WebContents* web_contents);
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_