Move fileapi-related files from webkit/common/ to storage/common/ and set up redirect headers

webkit/common/quota/quota_status_code.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/logging.h"
-#include "webkit/common/quota/quota_status_code.h"
-
-namespace storage {
-
-const char* QuotaStatusCodeToString(QuotaStatusCode status) {
-  switch (status) {
-    case kQuotaStatusOk:
-      return "OK.";
-    case kQuotaErrorNotSupported:
-      return "Operation not supported.";
-    case kQuotaErrorInvalidModification:
-      return "Invalid modification.";
-    case kQuotaErrorInvalidAccess:
-      return "Invalid access.";
-    case kQuotaErrorAbort:
-      return "Quota operation aborted.";
-    case kQuotaStatusUnknown:
-      return "Unknown error.";
-  }
-  NOTREACHED();
-  return "Unknown error.";
-}
-
-}  // namespace storage