Cache API: Pass origin to platform, rather than DatabaseIdentifier

third_party/WebKit/public/platform/Platform.h

 /*
  * Copyright (C) 2012 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 214 matching lines @@
 
     // IndexedDB ----------------------------------------------------------
 
     // Must return non-null.
     virtual WebIDBFactory* idbFactory() { return nullptr; }
 
 
     // Cache Storage ----------------------------------------------------------
 
     // The caller is responsible for deleting the returned object.
-    virtual WebServiceWorkerCacheStorage* cacheStorage(const WebString& originIdentifier) { return nullptr; }
+    virtual WebServiceWorkerCacheStorage* cacheStorage(const WebSecurityOrigin&) { return nullptr; }
 
     // Gamepad -------------------------------------------------------------
 
     virtual void sampleGamepads(WebGamepads& into) { into.length = 0; }
 
     // History -------------------------------------------------------------
 
     // Returns the hash for the given canonicalized URL for use in visited
     // link coloring.
     virtual unsigned long long visitedLinkHash(
@@ skipping 365 matching lines @@
 protected:
     BLINK_PLATFORM_EXPORT Platform();
     virtual ~Platform() { }
 
     WebThread* m_mainThread;
 };
 
 } // namespace blink
 
 #endif