Remove unused parameter to OnError()

media/audio/audio_input_controller_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/basictypes.h"
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/test_timeouts.h"
 #include "media/audio/audio_input_controller.h"
@@ skipping 32 matching lines @@
   MessageLoop::current()->Run();
 }
 
 class MockAudioInputControllerEventHandler
     : public AudioInputController::EventHandler {
  public:
   MockAudioInputControllerEventHandler() {}
 
   MOCK_METHOD1(OnCreated, void(AudioInputController* controller));
   MOCK_METHOD1(OnRecording, void(AudioInputController* controller));
-  MOCK_METHOD2(OnError, void(AudioInputController* controller, int error_code));
+  MOCK_METHOD1(OnError, void(AudioInputController* controller));
   MOCK_METHOD3(OnData, void(AudioInputController* controller,
                             const uint8* data, uint32 size));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockAudioInputControllerEventHandler);
 };
 
 // Test fixture.
 class AudioInputControllerTest : public testing::Test {
  public:
@@ skipping 104 matching lines @@
       .Times(Exactly(1));
 
   // OnData() shall be called ten times.
   EXPECT_CALL(event_handler, OnData(NotNull(), NotNull(), _))
       .Times(AtLeast(10))
       .WillRepeatedly(CheckCountAndPostQuitTask(&count, 10,
           message_loop_.message_loop_proxy()));
 
   // OnError() will be called after the data stream stops while the
   // controller is in a recording state.
-  EXPECT_CALL(event_handler, OnError(NotNull(), 0))
+  EXPECT_CALL(event_handler, OnError(NotNull()))
       .Times(Exactly(1))
       .WillOnce(QuitMessageLoop(&message_loop_));
 
   scoped_ptr<AudioManager> audio_manager(AudioManager::Create());
   AudioParameters params(AudioParameters::AUDIO_FAKE, kChannelLayout,
                          kSampleRate, kBitsPerSample, kSamplesPerPacket);
 
   // Creating the AudioInputController should render an OnCreated() call.
   scoped_refptr<AudioInputController> controller =
       AudioInputController::Create(audio_manager.get(), &event_handler, params);
@@ skipping 57 matching lines @@
   controller->Record();
 
   controller->Close(MessageLoop::QuitClosure());
   MessageLoop::current()->Run();
 
   controller->Close(MessageLoop::QuitClosure());
   MessageLoop::current()->Run();
 }
 
 }  // namespace media