Move async_socket_io_handler.* from media/ to base/

base/async_socket_io_handler.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 MEDIA_AUDIO_ASYNC_SOCKET_IO_HANDLER_H_
-#define MEDIA_AUDIO_ASYNC_SOCKET_IO_HANDLER_H_
+#ifndef BASE_ASYNC_SOCKET_IO_HANDLER_H_
+#define BASE_ASYNC_SOCKET_IO_HANDLER_H_
 
 #include "base/message_loop/message_loop.h"
 #include "base/sync_socket.h"
 #include "base/threading/non_thread_safe.h"
-#include "media/base/media_export.h"
 
 namespace media {
 
 // The message loop callback interface is different based on platforms.
 #if defined(OS_WIN)
 typedef base::MessageLoopForIO::IOHandler MessageLoopIOHandler;
 #elif defined(OS_POSIX)
 typedef base::MessageLoopForIO::Watcher MessageLoopIOHandler;
 #endif
 
@@ skipping 23 matching lines @@
 //       // Issue another read.
 //       CHECK(io_handler.Read(&buffer_[0], sizeof(buffer_)));
 //     }
 //   }
 //
 //   media::AsyncSocketIoHandler io_handler;
 //   base::CancelableSyncSocket* socket_;
 //   char buffer_[kBufferSize];
 // };
 //
-class MEDIA_EXPORT AsyncSocketIoHandler
+class BASE_EXPORT AsyncSocketIoHandler
     : public NON_EXPORTED_BASE(base::NonThreadSafe),
       public NON_EXPORTED_BASE(MessageLoopIOHandler) {
  public:
   AsyncSocketIoHandler();
   virtual ~AsyncSocketIoHandler();
 
   // Type definition for the callback. The parameter tells how many
   // bytes were read and is 0 if an error occurred.
   typedef base::Callback<void(int)> ReadCompleteCallback;
 
@@ skipping 37 matching lines @@
   // |true| iff the message loop is watching the socket for IO events.
   bool is_watching_;
 #endif
   ReadCompleteCallback read_complete_;
 
   DISALLOW_COPY_AND_ASSIGN(AsyncSocketIoHandler);
 };
 
 }  // namespace media.
 
-#endif  // MEDIA_AUDIO_ASYNC_SOCKET_IO_HANDLER_H_
+#endif  // BASE_ASYNC_SOCKET_IO_HANDLER_H_