Add audio signal to the ResourceScheduler.

content/browser/loader/resource_dispatcher_host_impl.cc

Index: content/browser/loader/resource_dispatcher_host_impl.cc
diff --git a/content/browser/loader/resource_dispatcher_host_impl.cc b/content/browser/loader/resource_dispatcher_host_impl.cc
index 7b09885c9f353f06f9c4158acf0ada39e32c0240..1e4ace37c6308db8acb9c4485d08b65408b55c02 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.cc
+++ b/content/browser/loader/resource_dispatcher_host_impl.cc
@@ -1350,11 +1350,11 @@ ResourceRequestInfoImpl* ResourceDispatcherHostImpl::CreateRequestInfo(
       true);     // is_async
 }
 
-void ResourceDispatcherHostImpl::OnRenderViewHostCreated(
-    int child_id,
-    int route_id,
-    bool is_visible) {
-  scheduler_->OnClientCreated(child_id, route_id, is_visible);
+void ResourceDispatcherHostImpl::OnRenderViewHostCreated(int child_id,
+                                                         int route_id,
+                                                         bool is_visible,
+                                                         bool is_audible) {
+  scheduler_->OnClientCreated(child_id, route_id, is_visible, is_audible);
 }
 
 void ResourceDispatcherHostImpl::OnRenderViewHostDeleted(
@@ -1382,6 +1382,13 @@ void ResourceDispatcherHostImpl::OnRenderViewHostWasShown(
   scheduler_->OnVisibilityChanged(child_id, route_id, true);
 }
 
+void ResourceDispatcherHostImpl::OnAudioRenderHostStreamStateChanged(
+    int child_id,
+    int route_id,
+    bool is_playing) {
+  scheduler_->OnAudibilityChanged(child_id, route_id, is_playing);
+}
+
 // This function is only used for saving feature.
 void ResourceDispatcherHostImpl::BeginSaveFile(
     const GURL& url,