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

sync/internal_api/public/sync_manager.h

Index: sync/internal_api/public/sync_manager.h
diff --git a/sync/internal_api/public/sync_manager.h b/sync/internal_api/public/sync_manager.h
index b26bd4f05fdb1ccece0d0c4df58b8ebfed4a0b82..97469285fa78d028000c2e7e3ba28f097b4a3154 100644
--- a/sync/internal_api/public/sync_manager.h
+++ b/sync/internal_api/public/sync_manager.h
@@ -1,4 +1,4 @@
-// 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.
 
@@ -14,6 +14,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/task_runner.h"
 #include "base/threading/thread_checker.h"
+#include "sync/base/sync_export.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/change_record.h"
 #include "sync/internal_api/public/configure_reason.h"
@@ -72,12 +73,12 @@ struct SyncCredentials {
 //
 // Unless stated otherwise, all methods of SyncManager should be called on the
 // same thread.
-class SyncManager {
+class SYNC_EXPORT SyncManager {
  public:
   // An interface the embedding application implements to be notified
   // on change events.  Note that these methods may be called on *any*
   // thread.
-  class ChangeDelegate {
+  class SYNC_EXPORT ChangeDelegate {
    public:
     // Notify the delegate that changes have been applied to the sync model.
     //
@@ -163,7 +164,7 @@ class SyncManager {
   // notifications from the SyncManager.  Register an observer via
   // SyncManager::AddObserver.  All methods are called only on the
   // sync thread.
-  class Observer {
+  class SYNC_EXPORT Observer {
    public:
     // A round-trip sync-cycle took place and the syncer has resolved any
     // conflicts that may have arisen.