Do not display warnings for file:/// extension permissions.

chrome/common/extensions/extension_permission_set.h

 // Copyright (c) 2011 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_COMMON_EXTENSIONS_EXTENSION_PERMISSION_SET_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_PERMISSION_SET_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 362 matching lines @@
 
   const URLPatternSet& scriptable_hosts() const { return scriptable_hosts_; }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ExtensionPermissionSetTest,
                            HasLessHostPrivilegesThan);
 
   friend class base::RefCountedThreadSafe<ExtensionPermissionSet>;
 
   static std::set<std::string> GetDistinctHosts(
-      const URLPatternSet& host_patterns, bool include_rcd);
+      const URLPatternSet& host_patterns,
+      bool include_rcd,
+      bool exclude_file_scheme);
 
   // Initializes the set based on |extension|'s manifest data.
   void InitImplicitExtensionPermissions(const Extension* extension);
 
   // Initializes the effective host permission based on the data in this set.
   void InitEffectiveHosts();
 
   // Gets the permission messages for the API permissions.
   std::set<ExtensionPermissionMessage> GetSimplePermissionMessages() const;
 
@@ skipping 17 matching lines @@
 
   // The list of hosts that can be scripted by content scripts.
   // TODO(jstritar): Rename to "user_script_hosts_"?
   URLPatternSet scriptable_hosts_;
 
   // The list of hosts this effectively grants access to.
   URLPatternSet effective_hosts_;
 };
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_PERMISSION_SET_H_