SyncSocket Transit Descriptor - refactoring

content/browser/renderer_host/media/audio_renderer_host_unittest.cc

 // 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.
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "base/sync_socket.h"
 #include "content/browser/media/capture/audio_mirroring_manager.h"
@@ skipping 83 matching lines @@
       IPC_MESSAGE_HANDLER(AudioMsg_NotifyStreamStateChanged,
                           OnNotifyStreamStateChanged)
       IPC_MESSAGE_UNHANDLED(handled = false)
     IPC_END_MESSAGE_MAP()
     EXPECT_TRUE(handled);
 
     delete message;
     return true;
   }
 
-  void OnNotifyStreamCreated(int stream_id,
-                             base::SharedMemoryHandle handle,
-#if defined(OS_WIN)
-                             base::SyncSocket::Handle socket_handle,
-#else
-                             base::FileDescriptor socket_descriptor,
-#endif
-                             uint32 length) {
+  void OnNotifyStreamCreated(
+      int stream_id, base::SharedMemoryHandle handle,
+      base::SyncSocket::TransitDescriptor socket_descriptor, uint32 length) {
     // Maps the shared memory.
     shared_memory_.reset(new base::SharedMemory(handle, false));
     CHECK(shared_memory_->Map(length));
     CHECK(shared_memory_->memory());
     shared_memory_length_ = length;
 
     // Create the SyncSocket using the handle.
-    base::SyncSocket::Handle sync_socket_handle;
-#if defined(OS_WIN)
-    sync_socket_handle = socket_handle;
-#else
-    sync_socket_handle = socket_descriptor.fd;
-#endif
+    base::SyncSocket::Handle sync_socket_handle =
+        base::SyncSocket::UnwrapHandle(socket_descriptor);
     sync_socket_.reset(new base::SyncSocket(sync_socket_handle));
 
     // And then delegate the call to the mock method.
     OnStreamCreated(stream_id, length);
   }
 
   void OnNotifyStreamStateChanged(int stream_id,
                                   media::AudioOutputIPCDelegate::State state) {
     switch (state) {
       case media::AudioOutputIPCDelegate::kPlaying:
@@ skipping 211 matching lines @@
 }
 
 TEST_F(AudioRendererHostTest, CreateUnifiedStreamAndClose) {
   Create(true);
   Close();
 }
 
 // TODO(hclam): Add tests for data conversation in low latency mode.
 
 }  // namespace content