AudioParams with automations must process timelines

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

Index: third_party/WebKit/Source/modules/webaudio/DelayNode.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/DelayNode.cpp b/third_party/WebKit/Source/modules/webaudio/DelayNode.cpp
index 9caa640cc82138ef766c9b41b93eb22f2ac1786c..460a65290cf8cf02011a19a04b7102c9aef17e09 100644
--- a/third_party/WebKit/Source/modules/webaudio/DelayNode.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/DelayNode.cpp
@@ -48,6 +48,9 @@ DelayNode::DelayNode(BaseAudioContext& context, double maxDelayTime)
       AudioHandler::NodeTypeDelay, *this, context.sampleRate(),
       WTF::wrapUnique(new DelayProcessor(
           context.sampleRate(), 1, m_delayTime->handler(), maxDelayTime))));
+
+  // Initialize the handler so that AudioParams can be processed.
+  handler().initialize();
 }
 
 DelayNode* DelayNode::create(BaseAudioContext& context,