[Sync] Removing duplicated includes between cc and h files.

components/sync/test/fake_server/fake_server_network_resources.cc

 // 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.
 
 #include "components/sync/test/fake_server/fake_server_network_resources.h"
 
-#include <memory>
-
 #include "base/memory/ptr_util.h"
-#include "base/memory/weak_ptr.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/sync/base/cancelation_signal.h"
 #include "components/sync/core/http_post_provider_factory.h"
-#include "components/sync/core/network_time_update_callback.h"
 #include "components/sync/test/fake_server/fake_server.h"
 #include "components/sync/test/fake_server/fake_server_http_post_provider.h"
 
 using syncer::CancelationSignal;
 using syncer::HttpPostProviderFactory;
 using syncer::NetworkTimeUpdateCallback;
 
 namespace fake_server {
 
 FakeServerNetworkResources::FakeServerNetworkResources(
     const base::WeakPtr<FakeServer>& fake_server)
     : fake_server_(fake_server) {}
 
 FakeServerNetworkResources::~FakeServerNetworkResources() {}
 
 std::unique_ptr<syncer::HttpPostProviderFactory>
 FakeServerNetworkResources::GetHttpPostProviderFactory(
     const scoped_refptr<net::URLRequestContextGetter>& baseline_context_getter,
     const NetworkTimeUpdateCallback& network_time_update_callback,
     CancelationSignal* cancelation_signal) {
   return base::WrapUnique<syncer::HttpPostProviderFactory>(
       new FakeServerHttpPostProviderFactory(
           fake_server_, base::ThreadTaskRunnerHandle::Get()));
 }
 
 }  // namespace fake_server