Refactor the storage QuotaDatabase to use StorageKey

This is part of an effort to move the storage APIs to use StorageKey
instead of Origin.  For now, the QuotaManager has been changed to
convert an Origin to a StorageKey before calling the QuotaDatabase APIs.
A subsequent CL will change the QuotaManager APIs to use StorageKey.

The Quota APIs left to migrate to StorageKey after this CL:
  QuotaManagerImpl
  QuotaManagerProxy
  QuotaClient

Bug: 1215208
Change-Id: Icaa53e90bcfe9d4f4e60e976c29a696ab74c7b7f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2941645
Commit-Queue: Ali Beyad <abeyad@chromium.org>
Reviewed-by: Ayu Ishii <ayui@chromium.org>
Reviewed-by: Steven Bingler <bingler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#892258}

chrome/browser/ui/webui/quota_internals/quota_internals_proxy.cc

@@ -11,6 +11,7 @@
 #include "chrome/browser/ui/webui/quota_internals/quota_internals_handler.h"
 #include "chrome/browser/ui/webui/quota_internals/quota_internals_types.h"
 #include "content/public/browser/browser_task_traits.h"
+#include "third_party/blink/public/common/storage_key/storage_key.h"
 #include "third_party/blink/public/mojom/quota/quota_types.mojom-forward.h"
 #include "url/origin.h"
 
@@ -144,7 +145,7 @@ void QuotaInternalsProxy::DidDumpBucketTable(
   origin_info.reserve(entries.size());
 
   for (const auto& entry : entries) {
-    PerOriginStorageInfo info(entry.origin.GetURL(), entry.type);
+    PerOriginStorageInfo info(entry.storage_key.origin().GetURL(), entry.type);
     info.set_used_count(entry.use_count);
     info.set_last_access_time(entry.last_accessed);
     info.set_last_modified_time(entry.last_modified);