Fix hotword module constantly restarting on Pixel 2.

content/renderer/media/user_media_client_impl.cc

Index: content/renderer/media/user_media_client_impl.cc
diff --git a/content/renderer/media/user_media_client_impl.cc b/content/renderer/media/user_media_client_impl.cc
index 16d1427bb0cc4c4eaf4337c695d05350d8076bb3..d9e7d65731b6f8965e71d22a96129482991cdfe5 100644
--- a/content/renderer/media/user_media_client_impl.cc
+++ b/content/renderer/media/user_media_client_impl.cc
@@ -69,8 +69,17 @@ void CopyBlinkRequestToStreamControls(const blink::WebUserMediaRequest& request,
     // TODO(hta): Get alternatives only mentioned in advanced array.
     CopyVector(audio_basic.deviceId.ideal(),
                &controls->audio.alternate_device_ids);
-    if (!audio_basic.hotwordEnabled.matches(false))
-      controls->hotword_enabled = true;
+
+    if (audio_basic.hotwordEnabled.hasExact()) {
+      controls->hotword_enabled = audio_basic.hotwordEnabled.exact();
+    } else {
+      for (const auto& audio_advanced : request.audioConstraints().advanced()) {
+        if (audio_advanced.hotwordEnabled.hasExact()) {
+          controls->hotword_enabled = audio_advanced.hotwordEnabled.exact();
+          break;
+        }
+      }
+    }
   }
   if (!request.videoConstraints().isNull()) {
     const blink::WebMediaTrackConstraintSet& video_basic =