Fix file access on Chrome for ChromeOS on Linux

chrome/browser/net/chrome_network_delegate.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_NET_CHROME_NETWORK_DELEGATE_H_
 #define CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 29 matching lines @@
       void* profile,
       CookieSettings* cookie_settings,
       BooleanPrefMember* enable_referrers);
   virtual ~ChromeNetworkDelegate();
 
   // Binds |enable_referrers| to |pref_service| and moves it to the IO thread.
   // This method should be called on the UI thread.
   static void InitializeReferrersEnabled(BooleanPrefMember* enable_referrers,
                                          PrefService* pref_service);
 
+  // When called, all file:// URLs will now be accessible.  If this is not
+  // called, then some platforms restrict access to file:// paths.
+  static void AllowAccessToAllFiles();
+
  private:
   // NetworkDelegate implementation.
   virtual int OnBeforeURLRequest(net::URLRequest* request,
                                  const net::CompletionCallback& callback,
                                  GURL* new_url) OVERRIDE;
   virtual int OnBeforeSendHeaders(net::URLRequest* request,
                                   const net::CompletionCallback& callback,
                                   net::HttpRequestHeaders* headers) OVERRIDE;
   virtual void OnSendHeaders(net::URLRequest* request,
                              const net::HttpRequestHeaders& headers) OVERRIDE;
@@ skipping 10 matching lines @@
                               int bytes_read) OVERRIDE;
   virtual void OnCompleted(net::URLRequest* request, bool started) OVERRIDE;
   virtual void OnURLRequestDestroyed(net::URLRequest* request) OVERRIDE;
   virtual void OnPACScriptError(int line_number,
                                 const string16& error) OVERRIDE;
   virtual net::NetworkDelegate::AuthRequiredResponse OnAuthRequired(
       net::URLRequest* request,
       const net::AuthChallengeInfo& auth_info,
       const AuthCallback& callback,
       net::AuthCredentials* credentials) OVERRIDE;
-  virtual bool CanGetCookies(const net::URLRequest* request,
-                             const net::CookieList& cookie_list) OVERRIDE;
-  virtual bool CanSetCookie(const net::URLRequest* request,
-                            const std::string& cookie_line,
-                            net::CookieOptions* options) OVERRIDE;
+  virtual bool OnCanGetCookies(const net::URLRequest& request,
+                               const net::CookieList& cookie_list) OVERRIDE;
+  virtual bool OnCanSetCookie(const net::URLRequest& request,
+                              const std::string& cookie_line,
+                              net::CookieOptions* options) OVERRIDE;
+  virtual bool OnCanAccessFile(const net::URLRequest& request,
+                               const FilePath& path) const OVERRIDE;
 
   scoped_refptr<ExtensionEventRouterForwarder> event_router_;
   void* profile_;
   scoped_refptr<CookieSettings> cookie_settings_;
 
   scoped_refptr<ExtensionInfoMap> extension_info_map_;
 
   // Weak, owned by our owner.
   BooleanPrefMember* enable_referrers_;
 
   // Weak, owned by our owner.
   const policy::URLBlacklistManager* url_blacklist_manager_;
 
+  // When true, allow access to all file:// URLs.
+  static bool g_allow_file_access_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeNetworkDelegate);
 };
 
 #endif  // CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_