Worker: Raise an exception when an invalid feature number is passed to WorkerInternals::CountFeature

third_party/WebKit/Source/core/testing/WorkerInternals.h

Index: third_party/WebKit/Source/core/testing/WorkerInternals.h
diff --git a/third_party/WebKit/Source/core/testing/WorkerInternals.h b/third_party/WebKit/Source/core/testing/WorkerInternals.h
index 185d4b8d639811fdf2cd4215d905df88e0d46e5e..aa69b70a397f48265a9f642b97147081518c1e9c 100644
--- a/third_party/WebKit/Source/core/testing/WorkerInternals.h
+++ b/third_party/WebKit/Source/core/testing/WorkerInternals.h
@@ -10,6 +10,7 @@
 
 namespace blink {
 
+class ExceptionState;
 class OriginTrialsTest;
 class ScriptState;
 
@@ -22,8 +23,8 @@ class WorkerInternals final : public GarbageCollectedFinalized<WorkerInternals>,
   virtual ~WorkerInternals();
 
   OriginTrialsTest* originTrialsTest() const;
-  void countFeature(ScriptState*, uint32_t feature);
-  void countDeprecation(ScriptState*, uint32_t feature);
+  void countFeature(ScriptState*, uint32_t feature, ExceptionState&);
+  void countDeprecation(ScriptState*, uint32_t feature, ExceptionState&);
 
   void collectGarbage(ScriptState*);