AnalyserNode.channelCount should be 1

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

Index: third_party/WebKit/Source/modules/webaudio/AnalyserNode.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/AnalyserNode.cpp b/third_party/WebKit/Source/modules/webaudio/AnalyserNode.cpp
index 330e14bdb1574b8bac499fc60d02a76f79135e06..dddafd58d068e0170bedc8b1b9e4c10af2d68e5b 100644
--- a/third_party/WebKit/Source/modules/webaudio/AnalyserNode.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/AnalyserNode.cpp
@@ -34,7 +34,8 @@
 namespace blink {
 
 AnalyserHandler::AnalyserHandler(AudioNode& node, float sample_rate)
-    : AudioBasicInspectorHandler(kNodeTypeAnalyser, node, sample_rate, 2) {
+    : AudioBasicInspectorHandler(kNodeTypeAnalyser, node, sample_rate, 1) {
+  channel_count_ = 1;
   Initialize();
 }