Fixes the cache lock issue.

net/base/load_states_list.h

Index: net/base/load_states_list.h
diff --git a/net/base/load_states_list.h b/net/base/load_states_list.h
index 5e850fb622220d3b6cb02a539897032cead220f3..c33efdf96473ab1920abf620dd70f09eed6ee63a 100644
--- a/net/base/load_states_list.h
+++ b/net/base/load_states_list.h
@@ -39,9 +39,10 @@ LOAD_STATE(WAITING_FOR_DELEGATE, 4)
 
 // This state corresponds to a resource load that is blocked waiting for
 // access to a resource in the cache.  If multiple requests are made for the
-// same resource, the first request will be responsible for writing (or
-// updating) the cache entry and the second request will be deferred until
-// the first completes.  This may be done to optimize for cache reuse.
+// same resource, the first request/multiple sharing-eligible requests will be
+// responsible for writing (or updating) the cache entry and the remaining
+// requests will be deferred until the writing completes or the writer

[jkarlin, 2016/12/06 18:08:17]

Can you omit 'or the write transactions compelte'? It seems like "the writing
completes" covers that.

[shivanisha, 2016/12/06 21:53:34]

Done. Also rephrased the last sentence to be "This may be done to optimize for
cache reuse in some cases or because the waiting requests are read-only."

+// transactions complete.  This may be done to optimize for cache reuse.
 LOAD_STATE(WAITING_FOR_CACHE, 5)
 
 // This state corresponds to a resource load that is blocked waiting for