Ensures that audio device tests works when run through remote desktop

webrtc/modules/audio_device/audio_device_unittest.cc

 /*
  *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 211 matching lines @@
 #else
     requirements_satisfied_ = false;
 #endif
     if (requirements_satisfied_) {
       EXPECT_EQ(0, audio_device_->SetPlayoutDevice(0));
       EXPECT_EQ(0, audio_device_->InitSpeaker());
       EXPECT_EQ(0, audio_device_->SetRecordingDevice(0));
       EXPECT_EQ(0, audio_device_->InitMicrophone());
       EXPECT_EQ(0, audio_device_->StereoPlayoutIsAvailable(&stereo_playout_));
       EXPECT_EQ(0, audio_device_->SetStereoPlayout(stereo_playout_));
-      EXPECT_EQ(0,
-                audio_device_->StereoRecordingIsAvailable(&stereo_recording_));
-      EXPECT_EQ(0, audio_device_->SetStereoRecording(stereo_recording_));
+      // Avoid asking for input stereo support and always record in mono
+      // since asking can cause issues in combination with remote desktop.
+      // See https://bugs.chromium.org/p/webrtc/issues/detail?id=7397 for
+      // details.
+      EXPECT_EQ(0, audio_device_->SetStereoRecording(false));
       EXPECT_EQ(0, audio_device_->SetAGC(false));
       EXPECT_FALSE(audio_device_->AGC());
     }
   }
 
   virtual ~AudioDeviceTest() {
     if (audio_device_) {
       EXPECT_EQ(0, audio_device_->Terminate());
     }
   }
@@ skipping 31 matching lines @@
     EXPECT_EQ(0, audio_device()->StopRecording());
     EXPECT_FALSE(audio_device()->Recording());
     EXPECT_FALSE(audio_device()->RecordingIsInitialized());
   }
 
  private:
   bool requirements_satisfied_ = true;
   rtc::Event event_;
   rtc::scoped_refptr<AudioDeviceModule> audio_device_;
   bool stereo_playout_ = false;
-  bool stereo_recording_ = false;
 };
 
 // Uses the test fixture to create, initialize and destruct the ADM.
 TEST_F(AudioDeviceTest, ConstructDestruct) {}
 
 TEST_F(AudioDeviceTest, InitTerminate) {
   SKIP_TEST_IF_NOT(requirements_satisfied());
   // Initialization is part of the test fixture.
   EXPECT_TRUE(audio_device()->Initialized());
   EXPECT_EQ(0, audio_device()->Terminate());
@@ skipping 63 matching lines @@
       .Times(AtLeast(kNumCallbacks));
   EXPECT_EQ(0, audio_device()->RegisterAudioCallback(&mock));
   StartPlayout();
   StartRecording();
   event()->Wait(kTestTimeOutInMilliseconds);
   StopRecording();
   StopPlayout();
 }
 
 }  // namespace webrtc