Add policy domain for signin screen apps

components/policy/core/common/cloud/resource_cache.h

 // Copyright (c) 2013 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 COMPONENTS_POLICY_CORE_COMMON_CLOUD_RESOURCE_CACHE_H_
 #define COMPONENTS_POLICY_CORE_COMMON_CLOUD_RESOURCE_CACHE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 57 matching lines @@
                          const std::set<std::string>& subkeys_to_keep);
 
  private:
   // Points |path| at the cache directory for |key| and returns whether the
   // directory exists. If |allow_create| is |true|, the directory is created if
   // it did not exist yet.
   bool VerifyKeyPath(const std::string& key,
                      bool allow_create,
                      base::FilePath* path);
 
-  // Points |path| at the file in which data for (key, subkey) should be stored
-  // and returns whether the parent directory of this file exists. If
+  // Points |subkey_path| at the file in which data for (key, subkey) should be
+  // stored and returns whether the parent directory of this file exists. If
   // |allow_create_key| is |true|, the directory is created if it did not exist
-  // yet. This method does not check whether the file at |path| exists or not.
+  // yet. This method does not check whether the file at |subkey_path| exists or
+  // not.
   bool VerifyKeyPathAndGetSubkeyPath(const std::string& key,
                                      bool allow_create_key,
                                      const std::string& subkey,
                                      base::FilePath* subkey_path);
 
   base::FilePath cache_dir_;
 
   // Task runner that |this| runs on.
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceCache);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_CLOUD_RESOURCE_CACHE_H_