[scheduler] Teach scheduler about audio state

content/renderer/render_view_impl.cc

 // Copyright (c) 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <memory>
 
@@ skipping 1344 matching lines @@
 
     // Page messages.
     IPC_MESSAGE_HANDLER(PageMsg_UpdateWindowScreenRect,
                         OnUpdateWindowScreenRect)
     IPC_MESSAGE_HANDLER(PageMsg_SetZoomLevel, OnSetZoomLevel)
     IPC_MESSAGE_HANDLER(PageMsg_SetDeviceScaleFactor, OnSetDeviceScaleFactor);
     IPC_MESSAGE_HANDLER(PageMsg_WasHidden, OnPageWasHidden)
     IPC_MESSAGE_HANDLER(PageMsg_WasShown, OnPageWasShown)
     IPC_MESSAGE_HANDLER(PageMsg_SetHistoryOffsetAndLength,
                         OnSetHistoryOffsetAndLength)
+    IPC_MESSAGE_HANDLER(PageMsg_AudioStateChanged, OnAudioStateChanged)
 
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
                         OnUpdateTopControlsState)
     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
 #elif defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
                         OnGetRenderedText)
     IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
 #endif
@@ skipping 71 matching lines @@
 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
   if (!webview())
     return;
   webview()->setInitialFocus(reverse);
 }
 
 void RenderViewImpl::OnUpdateWindowScreenRect(gfx::Rect window_screen_rect) {
   RenderWidget::OnUpdateWindowScreenRect(window_screen_rect);
 }
 
+void RenderViewImpl::OnAudioStateChanged(bool is_audio_playing) {
+  webview()->audioStateChanged(is_audio_playing);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 
 void RenderViewImpl::SendUpdateState() {
   // We don't use this path in OOPIF-enabled modes.
   DCHECK(!SiteIsolationPolicy::UseSubframeNavigationEntries());
 
   HistoryEntry* entry = history_controller_->GetCurrentEntry();
   if (!entry)
     return;
 
@@ skipping 1552 matching lines @@
   if (IsUseZoomForDSFEnabled()) {
     webview()->setZoomFactorForDeviceScaleFactor(device_scale_factor_);
   } else {
     webview()->setDeviceScaleFactor(device_scale_factor_);
   }
   webview()->settings()->setPreferCompositingToLCDTextEnabled(
       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 }
 
 }  // namespace content