scheduler: Detect load RAIL mode

third_party/WebKit/public/platform/WebScheduler.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 WebScheduler_h
 #define WebScheduler_h
 
 #include "WebCommon.h"
 #include "WebString.h"
 #include "public/platform/WebThread.h"
@@ skipping 77 matching lines @@
 
   enum class NavigatingFrameType { kMainFrame, kChildFrame };
 
   // Tells the scheduler that a navigation task is pending.
   // TODO(alexclarke): Long term should this be a task trait?
   virtual void addPendingNavigation(NavigatingFrameType) = 0;
 
   // Tells the scheduler that a navigation task is no longer pending.
   virtual void removePendingNavigation(NavigatingFrameType) = 0;
 
-  // Tells the scheduler that an expected navigation was started.
-  virtual void onNavigationStarted() = 0;
-
 #ifdef INSIDE_BLINK
   // Helpers for posting bound functions as tasks.
   typedef Function<void(double deadlineSeconds)> IdleTask;
 
   void postIdleTask(const WebTraceLocation&, std::unique_ptr<IdleTask>);
   void postNonNestableIdleTask(const WebTraceLocation&,
                                std::unique_ptr<IdleTask>);
 #endif
 };
 
 }  // namespace blink
 
 #endif  // WebScheduler_h