Store audio device's active state in preference

chromeos/audio/audio_devices_pref_handler_impl_unittest.cc

Index: chromeos/audio/audio_devices_pref_handler_impl_unittest.cc
diff --git a/chromeos/audio/audio_devices_pref_handler_impl_unittest.cc b/chromeos/audio/audio_devices_pref_handler_impl_unittest.cc
index ba871325debb5cd4c47a626a676e7023f11d4130..bebf7e39f5e46b035cef0391c12a38aea22ad710 100644
--- a/chromeos/audio/audio_devices_pref_handler_impl_unittest.cc
+++ b/chromeos/audio/audio_devices_pref_handler_impl_unittest.cc
@@ -22,6 +22,7 @@ const uint64 kOtherTypeInputId = 90002;
 
 const AudioDevice kInternalMic(AudioNode(true,
                                          kInternalMicId,
+                                         kInternalMicId,
                                          "Fake Mic",
                                          "INTERNAL_MIC",
                                          "Internal Mic",
@@ -30,6 +31,7 @@ const AudioDevice kInternalMic(AudioNode(true,
 
 const AudioDevice kHeadphone(AudioNode(false,
                                        kHeadphoneId,
+                                       kHeadphoneId,
                                        "Fake Headphone",
                                        "HEADPHONE",
                                        "Headphone",
@@ -38,6 +40,7 @@ const AudioDevice kHeadphone(AudioNode(false,
 
 const AudioDevice kHDMIOutput(AudioNode(false,
                                         kHDMIOutputId,
+                                        kHDMIOutputId,
                                         "HDMI output",
                                         "HDMI",
                                         "HDMI output",
@@ -47,6 +50,7 @@ const AudioDevice kHDMIOutput(AudioNode(false,
 const AudioDevice kInputDeviceWithSpecialCharacters(
     AudioNode(true,
               kOtherTypeInputId,
+              kOtherTypeInputId,
               "Fake ~!@#$%^&*()_+`-=<>?,./{}|[]\\\\Mic",
               "SOME_OTHER_TYPE",
               "Other Type Input Device",
@@ -56,6 +60,7 @@ const AudioDevice kInputDeviceWithSpecialCharacters(
 const AudioDevice kOutputDeviceWithSpecialCharacters(
     AudioNode(false,
               kOtherTypeOutputId,
+              kOtherTypeOutputId,
               "Fake ~!@#$%^&*()_+`-=<>?,./{}|[]\\\\Headphone",
               "SOME_OTHER_TYPE",
               "Other Type Output Device",
@@ -89,6 +94,12 @@ TEST_F(AudioDevicesPrefHandlerTest, TestDefaultValues) {
   EXPECT_EQ(75.0, audio_pref_handler_->GetInputGainValue(&kInternalMic));
   EXPECT_EQ(75.0, audio_pref_handler_->GetOutputVolumeValue(&kHeadphone));
   EXPECT_EQ(75.0, audio_pref_handler_->GetOutputVolumeValue(&kHDMIOutput));
+  EXPECT_EQ(AUDIO_STATE_NOT_AVAILABLE,
+            audio_pref_handler_->GetDeviceState(kInternalMic));
+  EXPECT_EQ(AUDIO_STATE_NOT_AVAILABLE,
+            audio_pref_handler_->GetDeviceState(kHeadphone));
+  EXPECT_EQ(AUDIO_STATE_NOT_AVAILABLE,
+            audio_pref_handler_->GetDeviceState(kHDMIOutput));
 }
 
 TEST_F(AudioDevicesPrefHandlerTest, PrefsRegistered) {
@@ -98,6 +109,7 @@ TEST_F(AudioDevicesPrefHandlerTest, PrefsRegistered) {
   EXPECT_TRUE(pref_service_->FindPreference(prefs::kAudioOutputAllowed));
   EXPECT_TRUE(pref_service_->FindPreference(prefs::kAudioVolumePercent));
   EXPECT_TRUE(pref_service_->FindPreference(prefs::kAudioMute));
+  EXPECT_TRUE(pref_service_->FindPreference(prefs::kAudioDevicesState));
 }
 
 TEST_F(AudioDevicesPrefHandlerTest, TestBasicInputOutputDevices) {