Add V8 use counter for var redeclarations of catch binding

Bug: v8:10516
Change-Id: Id26b70b70836a015d9c532b82211d63ef1b999b9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2189975
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Auto-Submit: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Mike West <mkwst@chromium.org>
Cr-Commit-Position: refs/heads/master@{#769899}

third_party/blink/public/mojom/web_feature/web_feature.mojom

@@ -2638,6 +2638,7 @@ enum WebFeature {
   kPopupGestureTapExceedsOwnerWindowBounds = 3301,
   kPopupMouseDownExceedsOwnerWindowBounds = 3302,
   kPopupMouseWheelExceedsOwnerWindowBounds = 3303,
+  kV8VarRedeclaredCatchBinding = 3304,
 
   // Add new features immediately above this line. Don't change assigned
   // numbers of any item, and don't reuse removed slots.

third_party/blink/renderer/bindings/core/v8/use_counter_callback.cc

@@ -327,6 +327,9 @@ void UseCounterCallback(v8::Isolate* isolate,
       blink_feature =
           WebFeature::kV8InvalidatedTypedArraySpeciesLookupChainProtector;
       break;
+    case v8::Isolate::kVarRedeclaredCatchBinding:
+      blink_feature = WebFeature::kV8VarRedeclaredCatchBinding;
+      break;
 
     default:
       // This can happen if V8 has added counters that this version of Blink

tools/metrics/histograms/enums.xml

@@ -27402,6 +27402,7 @@ Called by update_use_counter_feature_enum.py.-->
   <int value="3301" label="PopupGestureTapExceedsOwnerWindowBounds"/>
   <int value="3302" label="PopupMouseDownExceedsOwnerWindowBounds"/>
   <int value="3303" label="PopupMouseWheelExceedsOwnerWindowBounds"/>
+  <int value="3304" label="V8VarRedeclaredCatchBinding"/>
 </enum>
 
 <enum name="FeaturePolicyAllowlistType">