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

sync/api/sync_merge_result.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_API_SYNC_MERGE_RESULT_H_
 #define SYNC_API_SYNC_MERGE_RESULT_H_
 
 #include "sync/api/sync_error.h"
+#include "sync/base/sync_export.h"
 #include "sync/internal_api/public/base/model_type.h"
 
 namespace syncer {
 
 // A model-type-specific view of a sync merge. This class encapsulates the
 // state before and after the merge as well as the deltas and any error that
 // occurred.
 // Note: This class only tracks one side of the merge. In other words, if built
 // by the local SyncableService, all values correspond to the local state before
 // and after merging, and the delta's applied to that state. Sync's change
 // processor will create a separate merge result.
-class SyncMergeResult {
+class SYNC_EXPORT SyncMergeResult {
  public:
   // Initialize an empty merge result for model type |type|.
   explicit SyncMergeResult(ModelType type);
   ~SyncMergeResult();
 
   // Default copy and assign welcome.
 
   // Setters.
   // Note: if |error.IsSet()| is true, |error.type()| must match model_type_
   void set_error(SyncError error);
@@ skipping 32 matching lines @@
   // The changes that took place during association. In a correctly working
   // system these should be the deltas between before and after.
   int num_items_added_;
   int num_items_deleted_;
   int num_items_modified_;
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_API_SYNC_MERGE_RESULT_H_