Generalize the reload PLMO to support other transition types.

chrome/browser/page_load_metrics/observers/page_load_metrics_observer_test_harness.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/page_load_metrics_observer_test_harness.h"
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "components/page_load_metrics/common/page_load_metrics_messages.h"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/test/web_contents_tester.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 
 namespace page_load_metrics {
 
 namespace {
 
 class TestPageLoadMetricsEmbedderInterface
     : public PageLoadMetricsEmbedderInterface {
  public:
   explicit TestPageLoadMetricsEmbedderInterface(
@@ skipping 106 matching lines @@
 const base::HistogramTester&
 PageLoadMetricsObserverTestHarness::histogram_tester() const {
   return histogram_tester_;
 }
 
 const PageLoadExtraInfo
 PageLoadMetricsObserverTestHarness::GetPageLoadExtraInfoForCommittedLoad() {
   return observer_->GetPageLoadExtraInfoForCommittedLoad();
 }
 
+void PageLoadMetricsObserverTestHarness::NavigateWithPageTransitionAndCommit(
+    const GURL& url,
+    ui::PageTransition transition) {
+  controller().LoadURL(url, content::Referrer(), transition, std::string());
+  int pending_id = controller().GetPendingEntry()->GetUniqueID();
+  const bool did_create_new_entry = true;
+  content::WebContentsTester::For(web_contents())
+      ->TestDidNavigate(web_contents()->GetMainFrame(), 1, pending_id,
+                        did_create_new_entry, url, transition);
+}
+
 }  // namespace page_load_metrics