Revert CL 2242573002

third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp

Index: third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp b/third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp
index 659be155fbd995e8dc6c7982925d553656ccb4f2..c5d791fa942fc8b46f1322435015382c8263eae2 100644
--- a/third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp
@@ -179,6 +179,52 @@ void DeferredTaskHandler::processAutomaticPullNodes(size_t framesToProcess)
         m_renderingAutomaticPullNodes[i]->processIfNecessary(framesToProcess);
 }
 
+void DeferredTaskHandler::addChangedChannelCountMode(AudioHandler* node)
+{
+    ASSERT(isGraphOwner());
+    DCHECK(isMainThread());
+    m_deferredCountModeChange.add(node);
+}
+
+void DeferredTaskHandler::removeChangedChannelCountMode(AudioHandler* node)
+{
+    ASSERT(isGraphOwner());
+
+    m_deferredCountModeChange.remove(node);
+}
+
+void DeferredTaskHandler::addChangedChannelInterpretation(AudioHandler* node)
+{
+    ASSERT(isGraphOwner());
+    DCHECK(isMainThread());
+    m_deferredChannelInterpretationChange.add(node);
+}
+
+void DeferredTaskHandler::removeChangedChannelInterpretation(AudioHandler* node)
+{
+    ASSERT(isGraphOwner());
+
+    m_deferredChannelInterpretationChange.remove(node);
+}
+
+void DeferredTaskHandler::updateChangedChannelCountMode()
+{
+    ASSERT(isGraphOwner());
+
+    for (AudioHandler* node : m_deferredCountModeChange)
+        node->updateChannelCountMode();
+    m_deferredCountModeChange.clear();
+}
+
+void DeferredTaskHandler::updateChangedChannelInterpretation()
+{
+    ASSERT(isGraphOwner());
+
+    for (AudioHandler* node : m_deferredChannelInterpretationChange)
+        node->updateChannelInterpretation();
+    m_deferredChannelInterpretationChange.clear();
+}
+
 DeferredTaskHandler::DeferredTaskHandler()
     : m_automaticPullNodesNeedUpdating(false)
     , m_audioThread(0)
@@ -200,6 +246,8 @@ DeferredTaskHandler::~DeferredTaskHandler()
 
 void DeferredTaskHandler::handleDeferredTasks()
 {
+    updateChangedChannelCountMode();
+    updateChangedChannelInterpretation();
     handleDirtyAudioSummingJunctions();
     handleDirtyAudioNodeOutputs();
     updateAutomaticPullNodes();