[sync] Componentize sync: Part 2: Add SYNC_EXPORTs to files in src/sync/

sync/internal_api/public/sync_encryption_handler.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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 SYNC_INTERNAL_API_PUBLIC_SYNC_ENCRYPTION_HANDLER_H_
 #define SYNC_INTERNAL_API_PUBLIC_SYNC_ENCRYPTION_HANDLER_H_
 
 #include <string>
 
 #include "base/time.h"
+#include "sync/base/sync_export.h"
 #include "sync/internal_api/public/base/model_type.h"
 
 namespace sync_pb {
 class EncryptedData;
 }
 
 namespace syncer {
 
 class Cryptographer;
 
@@ skipping 22 matching lines @@
 enum BootstrapTokenType {
   PASSPHRASE_BOOTSTRAP_TOKEN,
   KEYSTORE_BOOTSTRAP_TOKEN
 };
 
 // Sync's encryption handler. Handles tracking encrypted types, ensuring the
 // cryptographer encrypts with the proper key and has the most recent keybag,
 // and keeps the nigori node up to date.
 // Implementations of this class must be assumed to be non-thread-safe. All
 // methods must be invoked on the sync thread.
-class SyncEncryptionHandler {
+class SYNC_EXPORT SyncEncryptionHandler {
  public:
   // All Observer methods are done synchronously from within a transaction and
   // on the sync thread.
-  class Observer {
+  class SYNC_EXPORT Observer {
    public:
     Observer();
 
     // Called when user interaction is required to obtain a valid passphrase.
     // - If the passphrase is required for encryption, |reason| will be
     //   REASON_ENCRYPTION.
     // - If the passphrase is required for the decryption of data that has
     //   already been encrypted, |reason| will be REASON_DECRYPTION.
     // - If the passphrase is required because decryption failed, and a new
     //   passphrase is required, |reason| will be REASON_SET_PASSPHRASE_FAILED.
@@ skipping 99 matching lines @@
   // bag of encryption keys in the nigori node.
   virtual PassphraseType GetPassphraseType() const = 0;
 
   // The set of types that are always encrypted.
   static ModelTypeSet SensitiveTypes();
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_SYNC_ENCRYPTION_HANDLER_H_