[scheduler] Teach scheduler about audio state

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1498 matching lines @@
   if (visible_widgets_ == 0) {
     DCHECK(!is_process_backgrounded_);
     UpdateProcessPriority();
   }
 }
 
 int RenderProcessHostImpl::VisibleWidgetCount() const {
   return visible_widgets_;
 }
 
-void RenderProcessHostImpl::AudioStateChanged() {
+void RenderProcessHostImpl::AudioStateChanged(bool is_audio_active) {
   UpdateProcessPriority();
+
+  // Notify the child process of audio state.
+  Send(new ChildProcessMsg_SetAudioPlaying(is_audio_active));
 }
 
 bool RenderProcessHostImpl::IsForGuestsOnly() const {
   return is_for_guests_only_;
 }
 
 StoragePartition* RenderProcessHostImpl::GetStoragePartition() const {
   return storage_partition_impl_;
 }
 
@@ skipping 1515 matching lines @@
   LOG(ERROR) << "Terminating render process for bad Mojo message: " << error;
 
   // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing. Alias
   // enough information here so that we can determine what the bad message was.
   base::debug::Alias(&error);
   bad_message::ReceivedBadMessage(process.get(),
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 }  // namespace content