Pass command line arguments onto platform apps which provide the right intent.

content/public/browser/child_process_security_policy.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_CHILD_PROCESS_SECURITY_POLICY_H_
 #define CONTENT_PUBLIC_BROWSER_CHILD_PROCESS_SECURITY_POLICY_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 35 matching lines @@
   // Schemes listed as disabled take precedence over Web-safe schemes.
   virtual void RegisterDisabledSchemes(
       const std::set<std::string>& schemes) = 0;
 
   // Grants certain permissions to a file. |permissions| must be a bit-set of
   // base::PlatformFileFlags.
   virtual void GrantPermissionsForFile(int child_id,
                                        const FilePath& file,
                                        int permissions) = 0;
 
+  // Before servicing a child process's request to upload a file to the web, the
+  // browser should call this method to determine whether the process has the
+  // capability to upload the requested file.
+  virtual bool CanReadFile(int child_id, const FilePath& file) = 0;
+
   // Whenever the user picks a file from a <input type="file"> element, the
   // browser should call this function to grant the child process the capability
   // to upload the file to the web.
   virtual void GrantReadFile(int child_id, const FilePath& file) = 0;
 
+  // Grants access permission to the given filesystem_id.
+  virtual void GrantAccessFileSystem(int child_id,
+                                     const std::string& filesystem_id) = 0;
+
   // Grants the child process the capability to access URLs of the provided
   // scheme.
   virtual void GrantScheme(int child_id, const std::string& scheme) = 0;
 };
 
 };  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CHILD_PROCESS_SECURITY_POLICY_H_