Clean up remaining unused globals (on mac).

media/audio/audio_output_device_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 <vector>
 
 #include "base/at_exit.h"
 #include "base/memory/shared_memory.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/process_handle.h"
@@ skipping 106 matching lines @@
 
   const bool synchronized_io_;
   const int input_channels_;
   SharedMemory shared_memory_;
   CancelableSyncSocket browser_socket_;
   CancelableSyncSocket renderer_socket_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioOutputDeviceTest);
 };
 
-static const int kStreamId = 123;
-
 int AudioOutputDeviceTest::CalculateMemorySize() {
   // Calculate output and input memory size.
   int output_memory_size =
       AudioBus::CalculateMemorySize(default_audio_parameters_);
 
   int frames = default_audio_parameters_.frames_per_buffer();
   int input_memory_size =
       AudioBus::CalculateMemorySize(input_channels_, frames);
 
   int io_buffer_size = output_memory_size + input_memory_size;
@@ skipping 146 matching lines @@
   ExpectRenderCallback();
   CreateStream();
   WaitUntilRenderCallback();
   StopAudioDevice();
 }
 
 INSTANTIATE_TEST_CASE_P(Render, AudioOutputDeviceTest, Values(false));
 INSTANTIATE_TEST_CASE_P(RenderIO, AudioOutputDeviceTest, Values(true));
 
 }  // namespace media.