[Sync] Move //sync to //components/sync.

sync/internal_api/public/util/experiments.h

-// Copyright (c) 2012 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 SYNC_INTERNAL_API_PUBLIC_UTIL_EXPERIMENTS_H_
-#define SYNC_INTERNAL_API_PUBLIC_UTIL_EXPERIMENTS_H_
-
-#include <string>
-
-#include "sync/internal_api/public/base/model_type.h"
-
-namespace syncer {
-
-const char kFaviconSyncTag[] = "favicon_sync";
-const char kPreCommitUpdateAvoidanceTag[] = "pre_commit_update_avoidance";
-const char kGCMInvalidationsTag[] = "gcm_invalidations";
-
-// A structure to hold the enable status of experimental sync features.
-struct Experiments {
-  Experiments()
-      : favicon_sync_limit(200),
-        // By default GCM channel is enabled:
-        gcm_invalidations_enabled(true) {}
-
-  bool Matches(const Experiments& rhs) {
-    return (favicon_sync_limit == rhs.favicon_sync_limit &&
-            gcm_invalidations_enabled == rhs.gcm_invalidations_enabled);
-  }
-
-  // The number of favicons that a client is permitted to sync.
-  int favicon_sync_limit;
-
-  // Enable invalidations over GCM channel.
-  bool gcm_invalidations_enabled;
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_INTERNAL_API_PUBLIC_UTIL_EXPERIMENTS_H_