Introduce ProfileInvalidationProvider wrapper for InvalidationService

components/invalidation/profile_invalidation_provider.h

Index: components/invalidation/profile_invalidation_provider.h
diff --git a/components/invalidation/profile_invalidation_provider.h b/components/invalidation/profile_invalidation_provider.h
new file mode 100644
index 0000000000000000000000000000000000000000..53c0db8dec984b759dc9a4f7a00c02206a641a8e
--- /dev/null
+++ b/components/invalidation/profile_invalidation_provider.h
@@ -0,0 +1,37 @@
+// 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_INVALIDATION_PROFILE_INVALIDATION_PROVIDER_H_
+#define COMPONENTS_INVALIDATION_PROFILE_INVALIDATION_PROVIDER_H_
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "components/keyed_service/core/keyed_service.h"
+
+namespace invalidation {
+
+class InvalidationService;
+
+// A KeyedService that owns an InvalidationService.
+class ProfileInvalidationProvider : public KeyedService {
+ public:
+  explicit ProfileInvalidationProvider(
+      scoped_ptr<InvalidationService> invalidation_service);
+  virtual ~ProfileInvalidationProvider();
+
+  InvalidationService* GetInvalidationService();
+
+  // KeyedService:
+  virtual void Shutdown() OVERRIDE;
+
+ private:
+  scoped_ptr<InvalidationService> invalidation_service_;
+
+  DISALLOW_COPY_AND_ASSIGN(ProfileInvalidationProvider);
+};
+
+}  // namespace invalidation
+
+#endif  // COMPONENTS_INVALIDATION_PROFILE_INVALIDATION_PROVIDER_H_