Improve tracking of user initiated page loads.

chrome/browser/page_load_metrics/metrics_web_contents_observer.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/metrics_web_contents_observer.h"
 
 #include <algorithm>
 #include <ostream>
 #include <string>
 #include <utility>
@@ skipping 232 matching lines @@
   // net::ERR_ABORTED.
   if ((error == net::OK) || (error == net::ERR_ABORTED)) {
     tracker->NotifyAbort(ABORT_OTHER, false, base::TimeTicks::Now(), true);
     aborted_provisional_loads_.push_back(std::move(tracker));
   }
 }
 
 void MetricsWebContentsObserver::HandleCommittedNavigationForTrackedLoad(
     content::NavigationHandle* navigation_handle,
     std::unique_ptr<PageLoadTracker> tracker) {
-  if (!navigation_handle->HasUserGesture() &&
+  if (!IsNavigationUserInitiated(navigation_handle) &&
       (navigation_handle->GetPageTransition() &
        ui::PAGE_TRANSITION_CLIENT_REDIRECT) != 0 &&
       committed_load_)
     committed_load_->NotifyClientRedirectTo(*tracker);
 
   committed_load_ = std::move(tracker);
   committed_load_->Commit(navigation_handle);
 }
 
 void MetricsWebContentsObserver::NavigationStopped() {
@@ skipping 175 matching lines @@
     content::NavigationHandle* navigation_handle) const {
   DCHECK(navigation_handle->IsInMainFrame());
   DCHECK(!navigation_handle->HasCommitted() ||
          !navigation_handle->IsSamePage());
 
   return BrowserPageTrackDecider(embedder_interface_.get(), web_contents(),
                                  navigation_handle).ShouldTrack();
 }
 
 }  // namespace page_load_metrics