[Sync] Convert sync to a static library.

components/sync/syncable/nigori_handler.h

 // Copyright 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 COMPONENTS_SYNC_SYNCABLE_NIGORI_HANDLER_H_
 #define COMPONENTS_SYNC_SYNCABLE_NIGORI_HANDLER_H_
 
 #include <string>
 
 #include "components/sync/base/model_type.h"
-#include "components/sync/base/sync_export.h"
 
 namespace google {
 namespace protobuf {
 template <typename T>
 class RepeatedPtrField;
 }
 }
 
 namespace sync_pb {
 class NigoriSpecifics;
 }
 
 namespace syncer {
 namespace syncable {
 
 class BaseTransaction;
 
 // Sync internal interface for dealing with nigori node and querying
 // the current set of encrypted types. Not thread safe, so a sync transaction
 // must be held by a caller whenever invoking methods.
-class SYNC_EXPORT NigoriHandler {
+class NigoriHandler {
  public:
   NigoriHandler();
   virtual ~NigoriHandler();
 
   // Apply a nigori node update, updating the internal encryption state
   // accordingly.
   virtual void ApplyNigoriUpdate(const sync_pb::NigoriSpecifics& nigori,
                                  syncable::BaseTransaction* const trans) = 0;
 
   // Store the current encrypt everything/encrypted types state into |nigori|.
@@ skipping 13 matching lines @@
 
   // Returns the set of currently encrypted types.
   virtual ModelTypeSet GetEncryptedTypes(
       syncable::BaseTransaction* const trans) const = 0;
 };
 
 }  // namespace syncable
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_SYNCABLE_NIGORI_HANDLER_H_