Correct handling of ERR_CACHE_LOCK_TIMEOUT for read only transactions.

net/http/mock_http_cache.cc

Index: net/http/mock_http_cache.cc
diff --git a/net/http/mock_http_cache.cc b/net/http/mock_http_cache.cc
index 9fc8ced93ce4c502f56f42508b8abc454208cd9b..d76eae6cb2609c901f75c0bf4f64c9410afcffc6 100644
--- a/net/http/mock_http_cache.cc
+++ b/net/http/mock_http_cache.cc
@@ -565,8 +565,8 @@ int MockHttpCache::CreateTransaction(std::unique_ptr<HttpTransaction>* trans) {
   return http_cache_.CreateTransaction(DEFAULT_PRIORITY, trans);
 }
 
-void MockHttpCache::BypassCacheLock() {
-  http_cache_.BypassLockForTest();
+void MockHttpCache::SimulateCacheLockTimeout() {
+  http_cache_.SimulateCacheLockTimeout();
 }
 
 void MockHttpCache::FailConditionalizations() {