Move the PolicyDomain and PolicyNamespace types to the policy component.

chrome/browser/policy/async_policy_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_ASYNC_POLICY_LOADER_H_
 #define CHROME_BROWSER_POLICY_ASYNC_POLICY_LOADER_H_
 
 #include <map>
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
-#include "chrome/browser/policy/policy_service.h"
+#include "components/policy/core/common/policy_namespace.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace policy {
 
 class PolicyBundle;
 class PolicyDomainDescriptor;
 
@@ skipping 97 matching lines @@
 
   // A map of the currently registered domains and their descriptors.
   DescriptorMap descriptor_map_;
 
   DISALLOW_COPY_AND_ASSIGN(AsyncPolicyLoader);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_ASYNC_POLICY_LOADER_H_