Implement tail processing for AudioNodes

third_party/WebKit/Source/platform/audio/AudioDSPKernelProcessor.cpp

Index: third_party/WebKit/Source/platform/audio/AudioDSPKernelProcessor.cpp
diff --git a/third_party/WebKit/Source/platform/audio/AudioDSPKernelProcessor.cpp b/third_party/WebKit/Source/platform/audio/AudioDSPKernelProcessor.cpp
index 63d81a30d4c095ca52f7cd0f5800c37769edad14..7ff00d9cf9874ebe7499047e3b38074f68f6a798 100644
--- a/third_party/WebKit/Source/platform/audio/AudioDSPKernelProcessor.cpp
+++ b/third_party/WebKit/Source/platform/audio/AudioDSPKernelProcessor.cpp
@@ -136,6 +136,12 @@ void AudioDSPKernelProcessor::SetNumberOfChannels(unsigned number_of_channels) {
     number_of_channels_ = number_of_channels;
 }
 
+bool AudioDSPKernelProcessor::RequiresTailProcessing() const {
+  // Always return true even if the tail time and latency might both
+  // be zero.
+  return true;
+}
+
 double AudioDSPKernelProcessor::TailTime() const {
   DCHECK(!IsMainThread());
   MutexTryLocker try_locker(process_lock_);