Fix the corner case for new audio device is not selected as active if it is plugged in for the firs…

chromeos/audio/cras_audio_handler.cc

Index: chromeos/audio/cras_audio_handler.cc
diff --git a/chromeos/audio/cras_audio_handler.cc b/chromeos/audio/cras_audio_handler.cc
index 456ce6cc54414a3d9f937324eb8f8dd1988c5456..1fed1566b9bb639110f572e29ca8f820e7b5eca1 100644
--- a/chromeos/audio/cras_audio_handler.cc
+++ b/chromeos/audio/cras_audio_handler.cc
@@ -1015,12 +1015,18 @@ bool CrasAudioHandler::GetActiveDeviceFromUserPref(bool is_input,
 
     bool active = false;
     bool activate_by_user = false;
+    // If the device entry is not found in prefs, it is likley a new audio
+    // device plugged in after the cros is powered down. We should ignore the
+    // previously saved active device, and select the active device by priority.
+    // crbug.com/622045.
     if (!audio_pref_handler_->GetDeviceActive(device, &active,
-                                              &activate_by_user) ||
-        !active) {
-      continue;
+                                              &activate_by_user)) {
+      return false;
     }
 
+    if (!active)
+      continue;
+
     if (!found_active_device) {
       found_active_device = true;
       *active_device = device;