Revert of Added some browsertests to PageLoadMetrics change

chrome/browser/page_load_metrics/page_load_metrics_browsertest.cc

Index: chrome/browser/page_load_metrics/page_load_metrics_browsertest.cc
diff --git a/chrome/browser/page_load_metrics/page_load_metrics_browsertest.cc b/chrome/browser/page_load_metrics/page_load_metrics_browsertest.cc
deleted file mode 100644
index ac828737fc1ea3516a46a7e28b643036590887da..0000000000000000000000000000000000000000
--- a/chrome/browser/page_load_metrics/page_load_metrics_browsertest.cc
+++ /dev/null
@@ -1,64 +0,0 @@
-// Copyright (c) 2015 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/test/histogram_tester.h"
-#include "chrome/test/base/in_process_browser_test.h"
-#include "chrome/test/base/ui_test_utils.h"
-#include "net/test/spawned_test_server/spawned_test_server.h"
-
-namespace page_load_metrics {
-
-class MetricsWebContentsObserverBrowserTest : public InProcessBrowserTest {
- public:
-  const char* kHistogramNameFirstLayout =
-      "PageLoad.Timing.NavigationToFirstLayout";
-  const char* kHistogramNameDomContent =
-      "PageLoad.Timing.NavigationToDOMContentLoadedEventFired";
-  const char* kHistogramNameLoad = "PageLoad.Timing.NavigationToLoadEventFired";
-  MetricsWebContentsObserverBrowserTest() {};
-  ~MetricsWebContentsObserverBrowserTest() override {};
-
- protected:
-  base::HistogramTester histogram_tester_;
-
-  DISALLOW_COPY_AND_ASSIGN(MetricsWebContentsObserverBrowserTest);
-};
-
-IN_PROC_BROWSER_TEST_F(MetricsWebContentsObserverBrowserTest, NoNavigation) {
-  ASSERT_TRUE(test_server()->Start());
-
-  histogram_tester_.ExpectTotalCount(kHistogramNameDomContent, 0);
-  histogram_tester_.ExpectTotalCount(kHistogramNameLoad, 0);
-  histogram_tester_.ExpectTotalCount(kHistogramNameFirstLayout, 0);
-}
-
-IN_PROC_BROWSER_TEST_F(MetricsWebContentsObserverBrowserTest, NewPage) {
-  ASSERT_TRUE(test_server()->Start());
-
-  ui_test_utils::NavigateToURL(browser(),
-                               test_server()->GetURL("/title1.html"));
-  ui_test_utils::NavigateToURL(browser(),
-                               test_server()->GetURL("/title2.html"));
-
-  histogram_tester_.ExpectTotalCount(kHistogramNameDomContent, 1);
-  histogram_tester_.ExpectTotalCount(kHistogramNameLoad, 1);
-  histogram_tester_.ExpectTotalCount(kHistogramNameFirstLayout, 1);
-}
-
-IN_PROC_BROWSER_TEST_F(MetricsWebContentsObserverBrowserTest, AnchorLink) {
-  ASSERT_TRUE(test_server()->Start());
-
-  ui_test_utils::NavigateToURL(browser(),
-                               test_server()->GetURL("/title1.html"));
-  ui_test_utils::NavigateToURL(browser(),
-                               test_server()->GetURL("/title1.html#hash"));
-  ui_test_utils::NavigateToURL(browser(),
-                               test_server()->GetURL("/title2.html"));
-
-  histogram_tester_.ExpectTotalCount(kHistogramNameDomContent, 1);
-  histogram_tester_.ExpectTotalCount(kHistogramNameLoad, 1);
-  histogram_tester_.ExpectTotalCount(kHistogramNameFirstLayout, 1);
-}
-
-}  // namespace page_load_metrics