Remove unused flush operation from Chromium audio.

media/base/audio_renderer_mixer_input_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/bind_helpers.h"
 #include "media/base/audio_renderer_mixer.h"
 #include "media/base/audio_renderer_mixer_input.h"
 #include "media/base/fake_audio_render_callback.h"
 #include "media/base/mock_audio_renderer_sink.h"
@@ skipping 79 matching lines @@
   mixer_input_->Stop();
 }
 
 // Test Start()/Play()/Pause()/Stop()/playing() all work as expected.  Also
 // implicitly tests that AddMixerInput() and RemoveMixerInput() work without
 // crashing; functional tests for these methods are in AudioRendererMixerTest.
 TEST_F(AudioRendererMixerInputTest, StartPlayPauseStopPlaying) {
   mixer_input_->Start();
   mixer_input_->Play();
   EXPECT_DOUBLE_EQ(ProvideInput(), 1);
-  mixer_input_->Pause(false);
+  mixer_input_->Pause();
   mixer_input_->Play();
   EXPECT_DOUBLE_EQ(ProvideInput(), 1);
   mixer_input_->Stop();
 }
 
 // Test that Stop() can be called before Initialize() and Start().
 TEST_F(AudioRendererMixerInputTest, StopBeforeInitializeOrStart) {
   // |mixer_input_| was initialized during construction.
   mixer_input_->Stop();
 
   // Verify Stop() works without Initialize() or Start().
   CreateMixerInput();
   mixer_input_->Stop();
 }
 
 }  // namespace media