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Unified Diff: net/http/http_cache_transaction.h

Issue 455623003: stale-while-revalidate experimental implementation. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Compile fix for ResourcePrefreshPredictor. Created 6 years, 2 months ago
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Index: net/http/http_cache_transaction.h
diff --git a/net/http/http_cache_transaction.h b/net/http/http_cache_transaction.h
index 37fcdefdad3fc6cd1f2ee1979cb4c5f975735cfa..b63e8593a614a95ce9cd6819a4820dfaaf2d003b 100644
--- a/net/http/http_cache_transaction.h
+++ b/net/http/http_cache_transaction.h
@@ -16,6 +16,7 @@
#include "net/base/request_priority.h"
#include "net/http/http_cache.h"
#include "net/http/http_request_headers.h"
+#include "net/http/http_response_headers.h"
#include "net/http/http_response_info.h"
#include "net/http/http_transaction.h"
@@ -311,8 +312,9 @@ class HttpCache::Transaction : public HttpTransaction {
// Returns network error code.
int RestartNetworkRequestWithAuth(const AuthCredentials& credentials);
- // Called to determine if we need to validate the cache entry before using it.
- bool RequiresValidation();
+ // Called to determine if we need to validate the cache entry before using it,
+ // and whether the validation should be synchronous or asynchronous.
+ ValidationType RequiresValidation();
// Called to make the request conditional (to ask the server if the cached
// copy is valid). Returns true if able to make the request conditional.
@@ -329,6 +331,9 @@ class HttpCache::Transaction : public HttpTransaction {
// Removes content-length and byte range related info if needed.
void FixHeadersForHead();
+ // Launches an asynchronous revalidation based on this transaction.
+ void TriggerAsyncValidation();
+
// Changes the response code of a range request to be 416 (Requested range not
// satisfiable).
void FailRangeRequest();

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