More aggressive IO asserts in content_browsertests.

content/browser/renderer_host/render_view_host_browsertest.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 "base/macros.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "build/build_config.h"
@@ skipping 69 matching lines @@
   ASSERT_TRUE(embedded_test_server()->Start());
   RenderViewHostTestWebContentsObserver observer(shell()->web_contents());
 
   // Base URL is not set if it is the same as the URL.
   GURL test_url = embedded_test_server()->GetURL("/simple_page.html");
   NavigateToURL(shell(), test_url);
   EXPECT_TRUE(observer.base_url().is_empty());
   EXPECT_EQ(1, observer.navigation_count());
 
   // But should be set to the original page when reading MHTML.
-  base::FilePath content_test_data_dir;
-  ASSERT_TRUE(PathService::Get(DIR_TEST_DATA, &content_test_data_dir));
-  test_url = net::FilePathToFileURL(
-      content_test_data_dir.AppendASCII("google.mht"));
-  NavigateToURL(shell(), test_url);
+  NavigateToURL(shell(), GetTestUrl(nullptr, "google.mht"));
   EXPECT_EQ("http://www.google.com/", observer.base_url().spec());
 }
 
 // This test ensures a RenderFrameHost object is created for the top level frame
 // in each RenderViewHost.
 IN_PROC_BROWSER_TEST_F(RenderViewHostTest, BasicRenderFrameHost) {
   ASSERT_TRUE(embedded_test_server()->Start());
 
   GURL test_url = embedded_test_server()->GetURL("/simple_page.html");
   NavigateToURL(shell(), test_url);
@@ skipping 57 matching lines @@
 
   // Do something that causes ipc queues to flush and tasks in
   // flight to complete such that we should have received the ACK.
   NavigateToURL(shell(), test_url);
 
   // Verify we have the only remaining reference to the namespace.
   EXPECT_TRUE(session_namespace->HasOneRef());
 }
 
 }  // namespace content