Tracing for NavigationHandle lifetime and state.

chrome/browser/chromeos/arc/intent_helper/arc_navigation_throttle.cc

 // Copyright 2016 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/chromeos/arc/intent_helper/arc_navigation_throttle.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 79 matching lines @@
 ArcNavigationThrottle::ArcNavigationThrottle(
     content::NavigationHandle* navigation_handle,
     const ShowIntentPickerCallback& show_intent_picker_cb)
     : content::NavigationThrottle(navigation_handle),
       show_intent_picker_callback_(show_intent_picker_cb),
       previous_user_action_(CloseReason::INVALID),
       weak_ptr_factory_(this) {}
 
 ArcNavigationThrottle::~ArcNavigationThrottle() = default;
 
+const char* ArcNavigationThrottle::GetNameForLogging() {
+  return "ArcNavigationThrottle";
+}
+
 content::NavigationThrottle::ThrottleCheckResult
 ArcNavigationThrottle::WillStartRequest() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   starting_gurl_ = GetStartingGURL();
   return HandleRequest();
 }
 
 content::NavigationThrottle::ThrottleCheckResult
 ArcNavigationThrottle::WillRedirectRequest() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
@@ skipping 313 matching lines @@
   }
   if (chrome_app_index < ArcNavigationThrottle::kMaxAppResults)
     return false;
 
   *out_indices = std::make_pair(ArcNavigationThrottle::kMaxAppResults - 1,
                                 chrome_app_index);
   return true;
 }
 
 }  // namespace arc