Add a platform policy provider for Android.

components/policy/core/common/policy_provider_android_delegate.h

+// Copyright 2014 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_POLICY_PROVIDER_ANDROID_DELEGATE_H_
+#define COMPONENTS_POLICY_CORE_COMMON_POLICY_PROVIDER_ANDROID_DELEGATE_H_
+
+#include "base/compiler_specific.h"
+
+namespace policy {
+
+// A delegate for the Android policy provider. This class is responsible for
+// setting policies on the PolicyProviderAndroid and refreshing them on demand.
+class POLICY_EXPORT PolicyProviderAndroidDelegate {
+ public:
+  // Called to refresh policies. If this method is called, the delegate must
+  // eventually call SetPolicies on the provider.
+  virtual void RefreshPolicies() = 0;
+
+  // Called before the provider is destroyed.
+  virtual void PolicyProviderShutdown() = 0;
+
+ protected:
+  virtual ~PolicyProviderAndroidDelegate() {}
+};
+
+}  // namespace policy
+
+#endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_PROVIDER_ANDROID_DELEGATE_H_