Include default communication devices in audio device enumerations. This removes heuristic that pic…

content/renderer/media/media_stream_audio_processor_unittest.cc

 // Copyright 2013 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/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/memory/aligned_memory.h"
@@ skipping 319 matching lines @@
     constraint_factory_2.AddOptional(
         MediaAudioConstraints::kGoogEchoCancellation, true);
     blink::WebMediaConstraints constraints_2 =
         constraint_factory_2.CreateWebMediaConstraints();
     MediaAudioConstraints audio_constraints_2(constraints_2, 0);
     EXPECT_FALSE(audio_constraints_2.GetEchoCancellationProperty());
   }
 
   {
     // When |kEchoCancellation| is explicitly set to false, the default values
-    // for all the constraints except |kMediaStreamAudioDucking| are false.
+    // for all the constraints are false.
     MockMediaConstraintFactory constraint_factory;
     constraint_factory.AddOptional(MediaAudioConstraints::kEchoCancellation,
                                    false);
     blink::WebMediaConstraints constraints =
         constraint_factory.CreateWebMediaConstraints();
     MediaAudioConstraints audio_constraints(constraints, 0);
     for (size_t i = 0; i < arraysize(kDefaultAudioConstraints); ++i) {
       EXPECT_FALSE(audio_constraints.GetProperty(kDefaultAudioConstraints[i]));
     }
-#if defined(OS_WIN)
-    EXPECT_TRUE(audio_constraints.GetProperty(kMediaStreamAudioDucking));
-#else
-    EXPECT_FALSE(audio_constraints.GetProperty(kMediaStreamAudioDucking));
-#endif
   }
 
   {
     // |kMediaStreamAudioHotword| is always off by default.
     MockMediaConstraintFactory constraint_factory;
     MediaAudioConstraints audio_constraints(
         constraint_factory.CreateWebMediaConstraints(), 0);
     EXPECT_FALSE(audio_constraints.GetProperty(kMediaStreamAudioHotword));
   }
 }
@@ skipping 187 matching lines @@
     expected.push_back(Point(0.02f, 0, 0));
     ExpectPointVectorEqual(expected, ParseArrayGeometry("-0.02 0 0 0.02 0 0"));
   }
   {
     PointVector expected(1, Point(1, 2, 3));
     ExpectPointVectorEqual(expected, ParseArrayGeometry("1 2 3"));
   }
 }
 
 }  // namespace content