Migrate page_load_metrics out of components.

chrome/browser/page_load_metrics/observers/core_page_load_metrics_observer_unittest.cc

 // Copyright 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 "chrome/browser/page_load_metrics/observers/core_page_load_metrics_observer.h"
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/page_load_metrics/observers/page_load_metrics_observer_test_harness.h"
+#include "chrome/browser/page_load_metrics/page_load_metrics_util.h"
 #include "chrome/test/base/testing_browser_process.h"
-#include "components/page_load_metrics/browser/page_load_metrics_util.h"
 #include "components/rappor/rappor_utils.h"
 #include "components/rappor/test_rappor_service.h"
 
 namespace {
 
 const char kDefaultTestUrl[] = "https://google.com";
 const char kDefaultTestUrlAnchor[] = "https://google.com#samepage";
 const char kDefaultTestUrl2[] = "https://whatever.com";
 
 }  // namespace
@@ skipping 559 matching lines @@
   histogram_tester().ExpectTotalCount(
       internal::kHistogramLoadTypeParseStartReload, 0);
   histogram_tester().ExpectTotalCount(
       internal::kHistogramLoadTypeParseStartForwardBack, 0);
   histogram_tester().ExpectTotalCount(
       internal::kHistogramLoadTypeParseStartNewNavigation, 1);
   histogram_tester().ExpectBucketCount(
       internal::kHistogramLoadTypeParseStartNewNavigation,
       timing.parse_start.value().InMilliseconds(), 1);
 }