Cache total_delayable_count for in_flight_requests in ResourceScheduler

content/browser/loader/resource_scheduler_unittest.cc

Index: content/browser/loader/resource_scheduler_unittest.cc
diff --git a/content/browser/loader/resource_scheduler_unittest.cc b/content/browser/loader/resource_scheduler_unittest.cc
index e677f8f12d8c6d7297c4a081b29764e53f032ee5..7fba2a54306d94a4b50fa1a50f5df27f6018e07d 100644
--- a/content/browser/loader/resource_scheduler_unittest.cc
+++ b/content/browser/loader/resource_scheduler_unittest.cc
@@ -502,6 +502,37 @@ TEST_F(ResourceSchedulerTest, SpdyProxySchedulesImmediately) {
   EXPECT_TRUE(after->started());
 }
 
+TEST_F(ResourceSchedulerTest, NewSpdyHostInDelayableRequests) {
+  scheduler_.OnWillInsertBody(kChildId, kRouteId);
+  const int kMaxNumDelayableRequestsPerClient = 10;  // Should match the .cc.
+
+  scoped_ptr<TestRequest> low1_spdy(
+      NewRequest("http://spdyhost1:8080/low", net::LOWEST));
+  // Cancel a request after we learn the server supports SPDY.
+  ScopedVector<TestRequest> lows;
+  for (int i = 0; i < kMaxNumDelayableRequestsPerClient - 1; ++i) {
+    string url = "http://host" + base::IntToString(i) + "/low";
+    lows.push_back(NewRequest(url.c_str(), net::LOWEST));
+  }
+  scoped_ptr<TestRequest> low1(NewRequest("http://host/low", net::LOWEST));
+  EXPECT_FALSE(low1->started());
+  http_server_properties_.SetSupportsSpdy(
+      net::HostPortPair("spdyhost1", 8080), true);
+  low1_spdy.reset();
+  EXPECT_TRUE(low1->started());
+
+  low1.reset();
+  scoped_ptr<TestRequest> low2_spdy(
+      NewRequest("http://spdyhost2:8080/low", net::IDLE));
+  // Reprioritize a request after we learn the server supports SPDY.
+  EXPECT_TRUE(low2_spdy->started());
+  http_server_properties_.SetSupportsSpdy(
+      net::HostPortPair("spdyhost2", 8080), true);
+  ChangeRequestPriority(low2_spdy.get(), net::LOWEST);
+  scoped_ptr<TestRequest> low2(NewRequest("http://host/low", net::LOWEST));
+  EXPECT_TRUE(low2->started());
+}
+
 }  // unnamed namespace
 
 }  // namespace content