Http Cache: chain GetLoadState from transactions waiting for...

net/http/http_cache_unittest.cc

Index: net/http/http_cache_unittest.cc
===================================================================
--- net/http/http_cache_unittest.cc	(revision 52151)
+++ net/http/http_cache_unittest.cc	(working copy)
@@ -1396,10 +1396,17 @@
 
     c->result = cache.http_cache()->CreateTransaction(&c->trans);
     EXPECT_EQ(net::OK, c->result);
+    EXPECT_EQ(net::LOAD_STATE_IDLE, c->trans->GetLoadState());
 
     c->result = c->trans->Start(&request, &c->callback, net::BoundNetLog());
   }
 
+  // All requests are waiting for the active entry.
+  for (int i = 0; i < kNumTransactions; ++i) {
+    Context* c = context_list[i];
+    EXPECT_EQ(net::LOAD_STATE_WAITING_FOR_CACHE, c->trans->GetLoadState());
+  }
+
   // Allow all requests to move from the Create queue to the active entry.
   MessageLoop::current()->RunAllPending();
 
@@ -1410,8 +1417,15 @@
   EXPECT_EQ(0, cache.disk_cache()->open_count());
   EXPECT_EQ(1, cache.disk_cache()->create_count());
 
+  // All requests depend on the writer, and the writer is between Start and
+  // Read, i.e. idle.
   for (int i = 0; i < kNumTransactions; ++i) {
     Context* c = context_list[i];
+    EXPECT_EQ(net::LOAD_STATE_IDLE, c->trans->GetLoadState());
+  }
+
+  for (int i = 0; i < kNumTransactions; ++i) {
+    Context* c = context_list[i];
     if (c->result == net::ERR_IO_PENDING)
       c->result = c->callback.WaitForResult();
     ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);