EQT: Record the max queueing time from navigation start to navigation away

third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h

 // Copyright 2014 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 THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_RENDERER_RENDERER_SCHEDULER_H_
 #define THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_RENDERER_RENDERER_SCHEDULER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 133 matching lines @@
   // thread.
   virtual void AddPendingNavigation(NavigatingFrameType type) = 0;
 
   // Tells the scheduler that a navigation task is no longer pending.
   // Must be called on the main thread.
   virtual void RemovePendingNavigation(NavigatingFrameType type) = 0;
 
   // Tells the scheduler that a navigation has started.  The scheduler will
   // prioritize loading tasks for a short duration afterwards.
   // Must be called from the main thread.
+  // TODO(maxlg): remove OnNavigationStarted and migrate this part into
+  // OnCommitProvisionalLoad.
   virtual void OnNavigationStarted() = 0;
 
+  // Tells the scheduler that the provisional load has been committed. This
+  // signals the point that activity stops happening in the old page and the
+  // renderer starts parsing and rendering the new page.
+  virtual void OnCommitProvisionalLoad() = 0;
+
   // Returns true if the scheduler has reason to believe that high priority work
   // may soon arrive on the main thread, e.g., if gesture events were observed
   // recently.
   // Must be called from the main thread.
   virtual bool IsHighPriorityWorkAnticipated() = 0;
 
   // Suspends the timer queues and increments the timer queue suspension count.
   // May only be called from the main thread.
   virtual void SuspendTimerQueue() = 0;
 
@@ skipping 35 matching lines @@
 
  protected:
   RendererScheduler();
   DISALLOW_COPY_AND_ASSIGN(RendererScheduler);
 };
 
 }  // namespace scheduler
 }  // namespace blink
 
 #endif  // THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_RENDERER_RENDERER_SCHEDULER_H_