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

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

Index: third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
diff --git a/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h b/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
index 65b3f5ab4feb83e9a70f03f7ee2d9cf37c19e429..86a362e8d81fedc78239170b3bd3c588598403af 100644
--- a/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
+++ b/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
@@ -151,8 +151,15 @@ class BLINK_PLATFORM_EXPORT RendererScheduler : public ChildScheduler {
   // 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.