Fixed resource scheduler to not treat non-blocking js as render-blocking

content/browser/loader/resource_scheduler_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/loader/resource_scheduler.h"
 
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 309 matching lines @@
   scoped_ptr<TestRequest> low2(NewRequest("http://host/low", net::LOWEST));
   EXPECT_TRUE(high->started());
   EXPECT_TRUE(low->started());
   EXPECT_FALSE(low2->started());
   scheduler_.OnWillInsertBody(kChildId, kRouteId);
   EXPECT_FALSE(low2->started());
   high.reset();
   EXPECT_TRUE(low2->started());
 }
 
+TEST_F(ResourceSchedulerTest, LowDoesNotBlockCriticalComplete) {
+  scoped_ptr<TestRequest> low(NewRequest("http://host/low", net::LOW));
+  scoped_ptr<TestRequest> lowest(NewRequest("http://host/lowest", net::LOWEST));
+  scoped_ptr<TestRequest> lowest2(
+      NewRequest("http://host/lowest", net::LOWEST));
+  EXPECT_TRUE(low->started());
+  EXPECT_TRUE(lowest->started());
+  EXPECT_FALSE(lowest2->started());
+  scheduler_.OnWillInsertBody(kChildId, kRouteId);
+  EXPECT_TRUE(lowest2->started());
+}
+
 TEST_F(ResourceSchedulerTest, OneLowLoadsUntilBodyInsertedExceptSpdy) {
   http_server_properties_.SetSupportsSpdy(
       net::HostPortPair("spdyhost", 443), true);
   scoped_ptr<TestRequest> high(NewRequest("http://host/high", net::HIGHEST));
   scoped_ptr<TestRequest> low_spdy(
       NewRequest("https://spdyhost/low", net::LOWEST));
   scoped_ptr<TestRequest> low(NewRequest("http://host/low", net::LOWEST));
   scoped_ptr<TestRequest> low2(NewRequest("http://host/low", net::LOWEST));
   EXPECT_TRUE(high->started());
   EXPECT_TRUE(low_spdy->started());
@@ skipping 1851 matching lines @@
   web_contents_2.reset();
   base::RunLoop().RunUntilIdle();
 
   browser_context.reset();
   render_process_host_factory.reset();
 }
 
 }  // unnamed namespace
 
 }  // namespace content