Store audio device's active state in preference

extensions/browser/api/audio/audio_apitest.cc

 // Copyright (c) 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 <stddef.h>
 #include <stdint.h>
 
 #include "base/message_loop/message_loop.h"
 #include "build/build_config.h"
 #include "extensions/shell/test/shell_apitest.h"
@@ skipping 15 matching lines @@
 
 const uint64_t kJabraSpeaker1Id = 30001;
 const uint64_t kJabraSpeaker2Id = 30002;
 const uint64_t kHDMIOutputId = 30003;
 const uint64_t kJabraMic1Id = 40001;
 const uint64_t kJabraMic2Id = 40002;
 const uint64_t kWebcamMicId = 40003;
 
 const AudioNode kJabraSpeaker1(false,
                                kJabraSpeaker1Id,
+                               kJabraSpeaker1Id,
                                "Jabra Speaker",
                                "USB",
                                "Jabra Speaker 1",
                                false,
                                0);
 
 const AudioNode kJabraSpeaker2(false,
                                kJabraSpeaker2Id,
+                               kJabraSpeaker2Id,
                                "Jabra Speaker",
                                "USB",
                                "Jabra Speaker 2",
                                false,
                                0);
 
 const AudioNode kHDMIOutput(false,
                             kHDMIOutputId,
+                            kHDMIOutputId,
                             "HDMI output",
                             "HDMI",
                             "HDA Intel MID",
                             false,
                             0);
 
-const AudioNode
-    kJabraMic1(true, kJabraMic1Id, "Jabra Mic", "USB", "Jabra Mic 1", false, 0);
+const AudioNode kJabraMic1(true,
+                           kJabraMic1Id,
+                           kJabraMic1Id,
+                           "Jabra Mic",
+                           "USB",
+                           "Jabra Mic 1",
+                           false,
+                           0);
 
-const AudioNode
-    kJabraMic2(true, kJabraMic2Id, "Jabra Mic", "USB", "Jabra Mic 2", false, 0);
+const AudioNode kJabraMic2(true,
+                           kJabraMic2Id,
+                           kJabraMic2Id,
+                           "Jabra Mic",
+                           "USB",
+                           "Jabra Mic 2",
+                           false,
+                           0);
 
 const AudioNode kUSBCameraMic(true,
                               kWebcamMicId,
+                              kWebcamMicId,
                               "Webcam Mic",
                               "USB",
                               "Logitech Webcam",
                               false,
                               0);
 
 class AudioApiTest : public ShellApiTest {
  public:
   AudioApiTest() : cras_audio_handler_(NULL), fake_cras_audio_client_(NULL) {}
   ~AudioApiTest() override {}
@@ skipping 192 matching lines @@
 
   // Verify the background app got the onNodesChanged event
   // with the last node removed.
   ASSERT_TRUE(result_listener.WaitUntilSatisfied());
   EXPECT_EQ("success", result_listener.message());
 }
 
 #endif  // OS_CHROMEOS
 
 }  // namespace extensions