[scheduler] Teach scheduler about audio state

content/renderer/render_frame_impl.cc

 // Copyright 2013 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_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 1535 matching lines @@
     IPC_MESSAGE_HANDLER(FrameMsg_GetSerializedHtmlWithLocalLinks,
                         OnGetSerializedHtmlWithLocalLinks)
     IPC_MESSAGE_HANDLER(FrameMsg_SerializeAsMHTML, OnSerializeAsMHTML)
     IPC_MESSAGE_HANDLER(FrameMsg_Find, OnFind)
     IPC_MESSAGE_HANDLER(FrameMsg_ClearActiveFindMatch, OnClearActiveFindMatch)
     IPC_MESSAGE_HANDLER(FrameMsg_StopFinding, OnStopFinding)
     IPC_MESSAGE_HANDLER(FrameMsg_EnableViewSourceMode, OnEnableViewSourceMode)
     IPC_MESSAGE_HANDLER(FrameMsg_SuppressFurtherDialogs,
                         OnSuppressFurtherDialogs)
     IPC_MESSAGE_HANDLER(FrameMsg_RunFileChooserResponse, OnFileChooserResponse)
+    IPC_MESSAGE_HANDLER(FrameMsg_AudioStateChanged, OnAudioStateChanged)
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(FrameMsg_ActivateNearestFindResult,
                         OnActivateNearestFindResult)
     IPC_MESSAGE_HANDLER(FrameMsg_GetNearestFindResult,
                         OnGetNearestFindResult)
     IPC_MESSAGE_HANDLER(FrameMsg_FindMatchRects, OnFindMatchRects)
 #endif
 
 #if defined(USE_EXTERNAL_POPUP_MENU)
 #if defined(OS_MACOSX)
@@ skipping 3778 matching lines @@
   }
   file_chooser_completions_.pop_front();
 
   // If there are more pending file chooser requests, schedule one now.
   if (!file_chooser_completions_.empty()) {
     Send(new FrameHostMsg_RunFileChooser(
         routing_id_, file_chooser_completions_.front()->params));
   }
 }
 
+void RenderFrameImpl::OnAudioStateChanged(bool is_audio_playing) {
+  frame_->audioStateChanged(is_audio_playing);
+}
+
 #if defined(OS_ANDROID)
 void RenderFrameImpl::OnActivateNearestFindResult(int request_id,
                                                   float x,
                                                   float y) {
   WebRect selection_rect;
   int ordinal =
       frame_->selectNearestFindMatch(WebFloatPoint(x, y), &selection_rect);
   if (ordinal == -1) {
     // Something went wrong, so send a no-op reply (force the frame to report
     // the current match count) in case the host is waiting for a response due
@@ skipping 1067 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content