Clean up InvalidationService test infrastructure.

chrome/browser/invalidation/fake_invalidation_service.h

 // Copyright 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 CHROME_BROWSER_INVALIDATION_FAKE_INVALIDATION_SERVICE_H_
 #define CHROME_BROWSER_INVALIDATION_FAKE_INVALIDATION_SERVICE_H_
 
 #include <list>
 #include <utility>
 
 #include "base/basictypes.h"
 #include "chrome/browser/invalidation/invalidation_service.h"
 #include "sync/notifier/invalidator_registrar.h"
 #include "sync/notifier/mock_ack_handler.h"
 
+namespace content {
+class BrowserContext;
+}
+
 namespace syncer {
 class Invalidation;
 }
 
 namespace invalidation {
 
 class InvalidationLogger;
 
 // An InvalidationService that emits invalidations only when
 // its EmitInvalidationForTest method is called.
 class FakeInvalidationService : public InvalidationService {
  public:
   FakeInvalidationService();
   virtual ~FakeInvalidationService();
 
+  static BrowserContextKeyedService* Build(content::BrowserContext* context);
+
   virtual void RegisterInvalidationHandler(
       syncer::InvalidationHandler* handler) OVERRIDE;
   virtual void UpdateRegisteredInvalidationIds(
       syncer::InvalidationHandler* handler,
       const syncer::ObjectIdSet& ids) OVERRIDE;
   virtual void UnregisterInvalidationHandler(
       syncer::InvalidationHandler* handler) OVERRIDE;
 
   virtual syncer::InvalidatorState GetInvalidatorState() const OVERRIDE;
   virtual std::string GetInvalidatorClientId() const OVERRIDE;
@@ skipping 15 matching lines @@
   std::string client_id_;
   syncer::InvalidatorRegistrar invalidator_registrar_;
   syncer::MockAckHandler mock_ack_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeInvalidationService);
 };
 
 }  // namespace invalidation
 
 #endif  // CHROME_BROWSER_INVALIDATION_FAKE_INVALIDATION_SERVICE_H_