Add constructors for WebAudio nodes

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

Index: third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp b/third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp
index 35aafaca1cb9b43f460e4f7036ff48352cbd7df6..6795efb17ecd835893dd07b7544817af99f88eca 100644
--- a/third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp
@@ -29,6 +29,7 @@
 #include "modules/webaudio/AudioNodeInput.h"
 #include "modules/webaudio/AudioNodeOutput.h"
 #include "modules/webaudio/BaseAudioContext.h"
+#include "modules/webaudio/ChannelSplitterOptions.h"
 
 namespace blink {
 
@@ -113,5 +114,17 @@ ChannelSplitterNode* ChannelSplitterNode::create(BaseAudioContext& context, unsi
     return new ChannelSplitterNode(context, numberOfOutputs);
 }
 
+ChannelSplitterNode* ChannelSplitterNode::create(BaseAudioContext* context, const ChannelSplitterOptions& options, ExceptionState& exceptionState)
+{
+    ChannelSplitterNode* node = create(*context, options.numberOfOutputs(), exceptionState);
+
+    if (!node)
+        return nullptr;
+
+    node->handleChannelOptions(options, exceptionState);
+
+    return node;
+}
+
 } // namespace blink