Cache Storage: restrict access to secure origins (Blink-side)

Source/modules/cachestorage/CacheStorage.h

Index: Source/modules/cachestorage/CacheStorage.h
diff --git a/Source/modules/cachestorage/CacheStorage.h b/Source/modules/cachestorage/CacheStorage.h
index 90d80328a73c60dc026fab55eae147190b0d2f84..9d74f455c5e401ed509c2854e897f97bc8cd3e21 100644
--- a/Source/modules/cachestorage/CacheStorage.h
+++ b/Source/modules/cachestorage/CacheStorage.h
@@ -26,13 +26,15 @@ class CacheStorage final : public GarbageCollectedFinalized<CacheStorage>, publi
     WTF_MAKE_NONCOPYABLE(CacheStorage);
 public:
     static CacheStorage* create(WeakPtr<GlobalFetch::ScopedFetcher>, WebServiceWorkerCacheStorage*);
+    static bool canAccessCacheStorage(ExecutionContext*, String* errorMessage = nullptr);
+
     ~CacheStorage();
     void dispose();
 
-    ScriptPromise open(ScriptState*, const String& cacheName);
-    ScriptPromise has(ScriptState*, const String& cacheName);
-    ScriptPromise deleteFunction(ScriptState*, const String& cacheName);
-    ScriptPromise keys(ScriptState*);
+    ScriptPromise open(ScriptState*, const String& cacheName, ExceptionState&);
+    ScriptPromise has(ScriptState*, const String& cacheName, ExceptionState&);
+    ScriptPromise deleteFunction(ScriptState*, const String& cacheName, ExceptionState&);
+    ScriptPromise keys(ScriptState*, ExceptionState&);
     ScriptPromise match(ScriptState*, const RequestInfo&, const CacheQueryOptions&, ExceptionState&);
 
     DECLARE_TRACE();