Tie multibuffers to URLs

media/blink/cache_util.h

Index: media/blink/cache_util.h
diff --git a/media/blink/cache_util.h b/media/blink/cache_util.h
index 033b6bdd069ef332925c54cac6b90a166b697899..8dd2a19bca7fec11a0a97975c3cf9d4e5d02b3d4 100644
--- a/media/blink/cache_util.h
+++ b/media/blink/cache_util.h
@@ -8,6 +8,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/time/time.h"
 #include "media/blink/media_blink_export.h"
 
 namespace blink {
@@ -36,6 +37,13 @@ enum UncacheableReason {
 uint32 MEDIA_BLINK_EXPORT
 GetReasonsForUncacheability(const blink::WebURLResponse& response);
 
+// Returns when we should evict data from this response from our
+// memory cache. Note that we may still cache data longer if
+// a audio/video tag is currently using it. Returns a TimeDelta
+// which is should be added to base::Time::Now() or base::TimeTicks::Now().
+base::TimeDelta MEDIA_BLINK_EXPORT
+GetCacheValidUntil(const blink::WebURLResponse& response);
+
 }  // namespace media
 
 #endif  // MEDIA_BLINK_CACHE_UTIL_H_