Migrate webkit/renderer/media/ to content/renderer/media/.

webkit/renderer/media/cache_util.h

-// 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.
-
-#ifndef WEBKIT_RENDERER_MEDIA_CACHE_UTIL_H_
-#define WEBKIT_RENDERER_MEDIA_CACHE_UTIL_H_
-
-#include <vector>
-
-#include "base/basictypes.h"
-
-namespace WebKit {
-class WebURLResponse;
-}
-
-namespace webkit_media {
-
-// Reasons that a cached WebURLResponse will *not* prevent a future request to
-// the server.  Reported via UMA, so don't change/reuse previously-existing
-// values.
-enum UncacheableReason {
-  kNoData = 1 << 0,  // Not 200 or 206.
-  kPre11PartialResponse = 1 << 1,  // 206 but HTTP version < 1.1.
-  kNoStrongValidatorOnPartialResponse = 1 << 2,  // 206, no strong validator.
-  kShortMaxAge = 1 << 3,  // Max age less than 1h (arbitrary value).
-  kExpiresTooSoon = 1 << 4,  // Expires in less than 1h (arbitrary value).
-  kHasMustRevalidate = 1 << 5,  // Response asks for revalidation.
-  kNoCache = 1 << 6,  // Response included a no-cache header.
-  kNoStore = 1 << 7,  // Response included a no-store header.
-  kMaxReason  // Needs to be one more than max legitimate reason.
-};
-
-// Return the logical OR of the reasons "response" cannot be used for a future
-// request (using the disk cache), or 0 if it might be useful.
-uint32 GetReasonsForUncacheability(const WebKit::WebURLResponse& response);
-
-}  // namespace webkit_media
-
-#endif  // WEBKIT_RENDERER_MEDIA_CACHE_UTIL_H_