Convert LoadTimingObserver ui_test to be a browser_test. I'm renabling it in the process to see if …

chrome/browser/net/load_timing_observer_uitest.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 "chrome/test/automation/tab_proxy.h"
-#include "chrome/test/ui/ui_test.h"
-#include "googleurl/src/gurl.h"
-#include "net/test/test_server.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-class LoadTimingObserverUITest : public UITest {
- public:
-  LoadTimingObserverUITest()
-      : http_server_(net::TestServer::TYPE_HTTP,
-                     net::TestServer::kLocalhost,
-                     FilePath()) {
-    dom_automation_enabled_ = true;
-  }
-
- protected:
-  net::TestServer http_server_;
-};
-
-// http://crbug.com/102030
-// http://crbug.com/114390
-TEST_F(LoadTimingObserverUITest, DISABLED_CacheHitAfterRedirect) {
-  ASSERT_TRUE(http_server_.Start());
-  GURL cached_page = http_server_.GetURL("cachetime");
-  std::string redirect = "server-redirect?" + cached_page.spec();
-  NavigateToURL(cached_page);
-  NavigateToURL(http_server_.GetURL(redirect));
-  scoped_refptr<TabProxy> tab_proxy = GetActiveTab();
-  int response_start = 0;
-  int response_end = 0;
-  ASSERT_TRUE(tab_proxy->ExecuteAndExtractInt(
-      L"", L"window.domAutomationController.send("
-      L"window.performance.timing.responseStart - "
-      L"window.performance.timing.navigationStart)", &response_start));
-  ASSERT_TRUE(tab_proxy->ExecuteAndExtractInt(
-      L"", L"window.domAutomationController.send("
-      L"window.performance.timing.responseEnd - "
-      L"window.performance.timing.navigationStart)", &response_end));
-  EXPECT_LE(response_start, response_end);
-}