Remove the experimental navigator.storageQuota API

third_party/WebKit/Source/modules/quota/StorageQuotaClient.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 24 matching lines @@
 #include "modules/ModulesExport.h"
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebStorageQuotaType.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class ExecutionContext;
 class Page;
-class ScriptPromise;
-class ScriptState;
 class StorageErrorCallback;
 class StorageQuotaCallback;
 
 class StorageQuotaClient : public Supplement<Page> {
   WTF_MAKE_NONCOPYABLE(StorageQuotaClient);
 
  public:
   StorageQuotaClient() {}
   virtual ~StorageQuotaClient() {}
 
   virtual void requestQuota(ScriptState*,
                             WebStorageQuotaType,
                             unsigned long long newQuotaInBytes,
                             StorageQuotaCallback*,
                             StorageErrorCallback*) = 0;
-  virtual ScriptPromise requestPersistentQuota(
-      ScriptState*,
-      unsigned long long newQuotaInBytes) = 0;
 
   static const char* supplementName();
   static StorageQuotaClient* from(ExecutionContext*);
 };
 
 MODULES_EXPORT void provideStorageQuotaClientTo(Page&, StorageQuotaClient*);
 
 }  // namespace blink
 
 #endif  // StorageQuotaClient_h