Implement tail processing for AudioNodes

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

Index: third_party/WebKit/Source/modules/webaudio/IIRDSPKernel.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/IIRDSPKernel.cpp b/third_party/WebKit/Source/modules/webaudio/IIRDSPKernel.cpp
index bffebbd1e62e01c6271f5479c1741389ab9108a8..c6c1ee4dfe672cf76c700e946a1433938cbe82e8 100644
--- a/third_party/WebKit/Source/modules/webaudio/IIRDSPKernel.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/IIRDSPKernel.cpp
@@ -46,6 +46,12 @@ void IIRDSPKernel::GetFrequencyResponse(int n_frequencies,
                             phase_response);
 }
 
+bool IIRDSPKernel::RequiresTailProcessing() const {
+  // Always return true even if the tail time and latency might both
+  // be zero.
+  return true;
+}
+
 double IIRDSPKernel::TailTime() const {
   return tail_time_;
 }