Remove old cloud policy code.

chrome/browser/policy/user_policy_token_loader.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_POLICY_USER_POLICY_TOKEN_LOADER_H_
+#define CHROME_BROWSER_POLICY_USER_POLICY_TOKEN_LOADER_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/file_path.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+
+namespace policy {
+
+// Handles disk access and threading details for loading and storing tokens.
+// This is legacy-support code that reads the token from its prior location
+// within the profile directory new code keeps the token in the policy blob
+// maintained by session_manager.
+class UserPolicyTokenLoader
+    : public base::RefCountedThreadSafe<UserPolicyTokenLoader> {
+ public:
+  // Callback interface for reporting a successful load.
+  class Delegate {
+   public:
+    virtual ~Delegate();
+    virtual void OnTokenLoaded(const std::string& token,
+                               const std::string& device_id) = 0;
+  };
+
+  UserPolicyTokenLoader(const base::WeakPtr<Delegate>& delegate,
+                        const FilePath& cache_file);
+
+  // Starts loading the disk cache. After the load is finished, the result is
+  // reported through the delegate.
+  void Load();
+
+ private:
+  friend class base::RefCountedThreadSafe<UserPolicyTokenLoader>;
+  ~UserPolicyTokenLoader();
+
+  void LoadOnFileThread();
+  void NotifyOnUIThread(const std::string& token,
+                        const std::string& device_id);
+
+  const base::WeakPtr<Delegate> delegate_;
+  const FilePath cache_file_;
+
+  DISALLOW_COPY_AND_ASSIGN(UserPolicyTokenLoader);
+};
+
+}  // namespace policy
+
+#endif  // CHROME_BROWSER_POLICY_USER_POLICY_TOKEN_LOADER_H_