[scheduler] Teach scheduler about audio state

third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc

Index: third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc b/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
index fc297cd67b5f47a47cfc3d8475684a30cdfa08a2..f7ba68c71c706abc2f5cb8692294400ea498420e 100644
--- a/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
+++ b/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
@@ -176,6 +176,11 @@ void WebViewSchedulerImpl::setVirtualTimePolicy(VirtualTimePolicy policy) {
   }
 }
 
+void WebViewSchedulerImpl::audioStateChanged(bool is_audio_playing) {
+  is_audio_playing_ = is_audio_playing;
+  renderer_scheduler_->OnAudioStateChanged();
+}
+
 void WebViewSchedulerImpl::ApplyVirtualTimePolicy() {
   if (virtual_time_policy_ != VirtualTimePolicy::DETERMINISTIC_LOADING) {
     return;
@@ -189,5 +194,9 @@ void WebViewSchedulerImpl::ApplyVirtualTimePolicy() {
                                have_seen_loading_task_);
 }
 
+bool WebViewSchedulerImpl::IsAudioPlaying() const {
+  return is_audio_playing_;
+}
+
 }  // namespace scheduler
 }  // namespace blink