Supports multiple active input/output audio nodes in CrasAudioHandler.

extensions/shell/browser/shell_audio_controller_chromeos_unittest.cc

Index: extensions/shell/browser/shell_audio_controller_chromeos_unittest.cc
diff --git a/extensions/shell/browser/shell_audio_controller_chromeos_unittest.cc b/extensions/shell/browser/shell_audio_controller_chromeos_unittest.cc
index 034dacc501d93d27a4f776134651b4a04d154700..60cb8903fa33871b1fe588bc3954e447f1a211ba 100644
--- a/extensions/shell/browser/shell_audio_controller_chromeos_unittest.cc
+++ b/extensions/shell/browser/shell_audio_controller_chromeos_unittest.cc
@@ -97,8 +97,8 @@ TEST_F(ShellAudioControllerTest, SelectBestDevices) {
   all_nodes.push_back(headphone);
   all_nodes.push_back(external_mic);
   audio_client_->SetAudioNodesAndNotifyObserversForTesting(all_nodes);
-  EXPECT_EQ(headphone.id, audio_handler_->GetActiveOutputNode());
-  EXPECT_EQ(external_mic.id, audio_handler_->GetActiveInputNode());
+  EXPECT_EQ(headphone.id, audio_handler_->GetPrimaryActiveOutputNode());
+  EXPECT_EQ(external_mic.id, audio_handler_->GetPrimaryActiveInputNode());
 
   // Unplug the headphones and mic and check that we switch to the internal
   // devices.
@@ -106,16 +106,16 @@ TEST_F(ShellAudioControllerTest, SelectBestDevices) {
   internal_nodes.push_back(internal_speaker);
   internal_nodes.push_back(internal_mic);
   audio_client_->SetAudioNodesAndNotifyObserversForTesting(internal_nodes);
-  EXPECT_EQ(internal_speaker.id, audio_handler_->GetActiveOutputNode());
-  EXPECT_EQ(internal_mic.id, audio_handler_->GetActiveInputNode());
+  EXPECT_EQ(internal_speaker.id, audio_handler_->GetPrimaryActiveOutputNode());
+  EXPECT_EQ(internal_mic.id, audio_handler_->GetPrimaryActiveInputNode());
 
   // Switch back to the external devices. Mark the previously-activated internal
   // devices as being active so CrasAudioHandler doesn't complain.
   SetNodeActive(&all_nodes, internal_speaker.id, true);
   SetNodeActive(&all_nodes, internal_mic.id, true);
   audio_client_->SetAudioNodesAndNotifyObserversForTesting(all_nodes);
-  EXPECT_EQ(headphone.id, audio_handler_->GetActiveOutputNode());
-  EXPECT_EQ(external_mic.id, audio_handler_->GetActiveInputNode());
+  EXPECT_EQ(headphone.id, audio_handler_->GetPrimaryActiveOutputNode());
+  EXPECT_EQ(external_mic.id, audio_handler_->GetPrimaryActiveInputNode());
 }
 
 // Tests that active audio devices are unmuted and set to 100% volume.