[Sync] Remove some http-related chrome deps from SyncBackendHostImpl.

chrome/browser/sync/glue/sync_backend_host_impl.h

Index: chrome/browser/sync/glue/sync_backend_host_impl.h
diff --git a/chrome/browser/sync/glue/sync_backend_host_impl.h b/chrome/browser/sync/glue/sync_backend_host_impl.h
index 32a58fbab3026522223ad228c0b1c67d5310fa6a..62eeaeaf89f80755e31857dec7f2656523ff4226 100644
--- a/chrome/browser/sync/glue/sync_backend_host_impl.h
+++ b/chrome/browser/sync/glue/sync_backend_host_impl.h
@@ -40,7 +40,6 @@ class InvalidationService;
 }
 
 namespace syncer {
-class NetworkResources;
 class SyncManagerFactory;
 class UnrecoverableErrorHandler;
 }
@@ -95,7 +94,7 @@ class SyncBackendHostImpl
       const syncer::WeakHandle<syncer::UnrecoverableErrorHandler>&
           unrecoverable_error_handler,
       const base::Closure& report_unrecoverable_error_function,
-      syncer::NetworkResources* network_resources,
+      const HttpPostProviderFactoryGetter& http_post_provider_factory_getter,
       scoped_ptr<syncer::SyncEncryptionHandler::NigoriState> saved_nigori_state)
       override;
   void TriggerRefresh(const syncer::ModelTypeSet& types) override;