1 files changed, 5 insertions, 3 deletions
diff --git a/chromium/third_party/blink/renderer/modules/webaudio/biquad_processor.h b/chromium/third_party/blink/renderer/modules/webaudio/biquad_processor.h
index 954ac2cc33e..6dcd04160be 100644
--- a/chromium/third_party/blink/renderer/modules/webaudio/biquad_processor.h
+++ b/chromium/third_party/blink/renderer/modules/webaudio/biquad_processor.h
@@ -41,8 +41,9 @@ namespace blink {
 
 class BiquadProcessor final : public AudioDSPKernelProcessor {
  public:
-  // This values are used in histograms and should not be renumbered or deleted.
-  enum FilterType {
+  // These values are persisted to logs. Entries should not be renumbered and
+  // numeric values should never be reused.
+  enum class FilterType {
     kLowPass = 0,
     kHighPass = 1,
     kBandPass = 2,
@@ -50,7 +51,8 @@ class BiquadProcessor final : public AudioDSPKernelProcessor {
     kHighShelf = 4,
     kPeaking = 5,
     kNotch = 6,
-    kAllpass = 7
+    kAllpass = 7,
+    kMaxValue = kAllpass,
   };
 
   BiquadProcessor(float sample_rate,