Add CLIENT_REDIRECT variants for page load metrics abort types

chrome/browser/page_load_metrics/page_load_metrics_observer.h

 // 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.
 
 #ifndef CHROME_BROWSER_PAGE_LOAD_METRICS_PAGE_LOAD_METRICS_OBSERVER_H_
 #define CHROME_BROWSER_PAGE_LOAD_METRICS_PAGE_LOAD_METRICS_OBSERVER_H_
 
 #include "base/macros.h"
 #include "base/optional.h"
 #include "chrome/common/page_load_metrics/page_load_timing.h"
 #include "content/public/browser/navigation_handle.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "url/gurl.h"
 
 namespace page_load_metrics {
 
 // This enum represents how a page load ends. If the action occurs before the
 // page load finishes (or reaches some point like first paint), then we consider
 // the load to be aborted.
 enum UserAbortType {
   // Represents no abort.
   ABORT_NONE,
 
   // If the user presses reload or shift-reload.
   ABORT_RELOAD,
 
   // The user presses the back/forward button.
   ABORT_FORWARD_BACK,
 
+  // The navigation is replaced with a navigation with the qualifier
+  // ui::PAGE_TRANSITION_CLIENT_REDIRECT, which is caused by Javascript, or the
+  // meta refresh tag.
+  ABORT_CLIENT_REDIRECT,
+
   // If the navigation is replaced by a new navigation. This includes link
   // clicks, typing in the omnibox (not a reload), and form submissions.
   ABORT_NEW_NAVIGATION,
 
   // If the user presses the stop X button.
   ABORT_STOP,
 
   // If the navigation is aborted by closing the tab or browser.
   ABORT_CLOSE,
 
@@ skipping 160 matching lines @@
   // loads that result in downloads or 204s are aborted by the system, and are
   // also included as failed provisional loads.
   virtual void OnFailedProvisionalLoad(
       const FailedProvisionalLoadInfo& failed_provisional_load_info,
       const PageLoadExtraInfo& extra_info) {}
 };
 
 }  // namespace page_load_metrics
 
 #endif  // CHROME_BROWSER_PAGE_LOAD_METRICS_PAGE_LOAD_METRICS_OBSERVER_H_