dbus: Make it possible to build as shared_library.

dbus/object_proxy.h

 // Copyright (c) 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 DBUS_OBJECT_PROXY_H_
 #define DBUS_OBJECT_PROXY_H_
 
 #include <dbus/dbus.h>
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/string_piece.h"
 #include "base/time.h"
+#include "dbus/dbus_export.h"
 #include "dbus/object_path.h"
 
 namespace dbus {
 
 class Bus;
 class ErrorResponse;
 class MethodCall;
 class Response;
 class Signal;
 
 // ObjectProxy is used to communicate with remote objects, mainly for
 // calling methods of these objects.
 //
 // ObjectProxy is a ref counted object, to ensure that |this| of the
 // object is is alive when callbacks referencing |this| are called; the
 // bus always holds at least one of those references so object proxies
 // always last as long as the bus that created them.
-class ObjectProxy : public base::RefCountedThreadSafe<ObjectProxy> {
+class CHROME_DBUS_EXPORT ObjectProxy
+    : public base::RefCountedThreadSafe<ObjectProxy> {
  public:
   // Client code should use Bus::GetObjectProxy() or
   // Bus::GetObjectProxyWithOptions() instead of this constructor.
   ObjectProxy(Bus* bus,
               const std::string& service_name,
               const ObjectPath& object_path,
               int options);
 
   // Options to be OR-ed together when calling Bus::GetObjectProxyWithOptions().
   // Set the IGNORE_SERVICE_UNKNOWN_ERRORS option to silence logging of
@@ skipping 226 matching lines @@
 
   // Known name owner of the well-known bus name represnted by |service_name_|.
   std::string service_name_owner_;
 
   DISALLOW_COPY_AND_ASSIGN(ObjectProxy);
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_OBJECT_PROXY_H_