Fix file access on Chrome for ChromeOS on Linux

chrome/browser/net/chrome_network_delegate.h

Index: chrome/browser/net/chrome_network_delegate.h
diff --git a/chrome/browser/net/chrome_network_delegate.h b/chrome/browser/net/chrome_network_delegate.h
index a582c388f1dfee223c44229f80cc69d40481944c..75ded9091933ee556cfac5867a6ec46d65cdde11 100644
--- a/chrome/browser/net/chrome_network_delegate.h
+++ b/chrome/browser/net/chrome_network_delegate.h
@@ -47,6 +47,10 @@ class ChromeNetworkDelegate : public net::NetworkDelegate {
   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,
@@ -77,11 +81,14 @@ class ChromeNetworkDelegate : public net::NetworkDelegate {
       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 CanGetCookiesInternal(
+      const net::URLRequest& request,
+      const net::CookieList& cookie_list) OVERRIDE;
+  virtual bool CanSetCookieInternal(const net::URLRequest& request,
+                                    const std::string& cookie_line,
+                                    net::CookieOptions* options) OVERRIDE;
+  virtual bool CanAccessFileInternal(const net::URLRequest& request,
+                                     const FilePath& path) const OVERRIDE;
 
   scoped_refptr<ExtensionEventRouterForwarder> event_router_;
   void* profile_;
@@ -95,6 +102,9 @@ class ChromeNetworkDelegate : public net::NetworkDelegate {
   // 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);
 };