[sync] Componentize sync: Part 6: Add more SYNC_EXPORTs to files in src/sync/

sync/syncable/syncable_id.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_SYNCABLE_SYNCABLE_ID_H_
 #define SYNC_SYNCABLE_SYNCABLE_ID_H_
 
 #include <iosfwd>
 #include <limits>
 #include <sstream>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/hash_tables.h"
+#include "sync/base/sync_export.h"
 
 class MockConnectionManager;
 
 namespace base {
 class StringValue;
 }
 
 namespace sql {
 class Statement;
 }
 
 namespace syncer {
 namespace syncable {
 struct EntryKernel;
 class Id;
 
-std::ostream& operator<<(std::ostream& out, const Id& id);
+SYNC_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& out, const Id& id);
 
 // For historical reasons, 3 concepts got everloaded into the Id:
 // 1. A unique, opaque identifier for the object.
 // 2. Flag specifing whether server know about this object.
 // 3. Flag for root.
 //
 // We originally wrapped an integer for this information, but now we use a
 // string. It will have one of three forms:
 // 1. c<client only opaque id> for client items that have not been committed.
 // 2. r for the root item.
 // 3. s<server provided opaque id> for items that the server knows about.
-class Id {
+class SYNC_EXPORT Id {
  public:
   // This constructor will be handy even when we move away from int64s, just
   // for unit tests.
   inline Id() : s_("r") { }
   inline Id(const Id& that) {
     Copy(that);
   }
   inline Id& operator = (const Id& that) {
     Copy(that);
     return *this;
@@ skipping 54 matching lines @@
 
   // This method returns an ID that will compare less than any valid ID.
   // The returned ID is not a valid ID itself.  This is useful for
   // computing lower bounds on std::sets that are ordered by operator<.
   static Id GetLeastIdForLexicographicComparison();
 
  private:
   friend scoped_ptr<EntryKernel> UnpackEntry(sql::Statement* statement);
   friend void BindFields(const EntryKernel& entry,
                          sql::Statement* statement);
-  friend std::ostream& operator<<(std::ostream& out, const Id& id);
+  SYNC_EXPORT_PRIVATE friend std::ostream& operator<<(std::ostream& out,
+                                                      const Id& id);
   friend class MockConnectionManager;
   friend class SyncableIdTest;
 
   std::string s_;
 };
 
-Id GetNullId();
+SYNC_EXPORT_PRIVATE Id GetNullId();
 
 }  // namespace syncable
 }  // namespace syncer
 
 #endif  // SYNC_SYNCABLE_SYNCABLE_ID_H_