Add basic support for "googDucking" to getUserMedia on Windows.

media/audio/win/audio_low_latency_output_win_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 <windows.h>
 #include <mmsystem.h>
 
 #include "base/basictypes.h"
 #include "base/environment.h"
 #include "base/file_util.h"
@@ skipping 405 matching lines @@
           Return(aosw.samples_per_packet())));
 
   aos->Start(&source);
   loop.PostDelayedTask(FROM_HERE, base::MessageLoop::QuitClosure(),
                        TestTimeouts::action_timeout());
   loop.Run();
   aos->Stop();
   aos->Close();
 }
 
-// Use a non-preferred packet size and verify that Open() fails.
-TEST(WASAPIAudioOutputStreamTest, InvalidPacketSize) {
-  scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
-  if (!CanRunAudioTests(audio_manager.get()))
-    return;
-
-  if (ExclusiveModeIsEnabled())
-    return;
-
-  AudioParameters preferred_params;
-  EXPECT_TRUE(SUCCEEDED(CoreAudioUtil::GetPreferredAudioParameters(
-      eRender, eConsole, &preferred_params)));
-  int too_large_packet_size = 2 * preferred_params.frames_per_buffer();
-
-  AudioOutputStreamWrapper aosw(audio_manager.get());
-  AudioOutputStream* aos = aosw.Create(too_large_packet_size);
-  EXPECT_FALSE(aos->Open());
-
-  aos->Close();
-}
-
 // This test is intended for manual tests and should only be enabled
 // when it is required to play out data from a local PCM file.
 // By default, GTest will print out YOU HAVE 1 DISABLED TEST.
 // To include disabled tests in test execution, just invoke the test program
 // with --gtest_also_run_disabled_tests or set the GTEST_ALSO_RUN_DISABLED_TESTS
 // environment variable to a value greater than 0.
 // The test files are approximately 20 seconds long.
 TEST(WASAPIAudioOutputStreamTest, DISABLED_ReadFromStereoFile) {
   scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
   if (!CanRunAudioTests(audio_manager.get()))
@@ skipping 227 matching lines @@
 
   aos->Start(&source);
   loop.PostDelayedTask(FROM_HERE, base::MessageLoop::QuitClosure(),
                         TestTimeouts::action_timeout());
   loop.Run();
   aos->Stop();
   aos->Close();
 }
 
 }  // namespace media