Introduce WebTaskRunner Patch 5/5

public/platform/WebThread.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 32 matching lines @@
 class BLINK_PLATFORM_EXPORT WebThread {
 public:
     // An IdleTask is passed a deadline in CLOCK_MONOTONIC seconds and is
     // expected to complete before this deadline.
     class IdleTask {
     public:
         virtual ~IdleTask() { }
         virtual void run(double deadlineSeconds) = 0;
     };
 
-    // TODO(alexclarke): Remove this once it's no longer referenced by chromium.
-    class BLINK_PLATFORM_EXPORT Task {
-    public:
-        virtual ~Task() { }
-        virtual void run() = 0;
-    };
-
     class BLINK_PLATFORM_EXPORT TaskObserver {
     public:
         virtual ~TaskObserver() { }
         virtual void willProcessTask() = 0;
         virtual void didProcessTask() = 0;
     };
 
-    // postTask() and postDelayedTask() take ownership of the passed Task
-    // object. It is safe to invoke postTask() and postDelayedTask() from any
-    // thread.
-    // TODO(alexclarke): Remove postTask & postDelayedTask.
-    virtual void postTask(const WebTraceLocation&, Task*) { }
-    virtual void postDelayedTask(const WebTraceLocation&, Task*, long long delayMs) { };
 
     // Returns a WebTaskRunner bound to the underlying scheduler's default task queue.
     virtual WebTaskRunner* taskRunner() { return nullptr; }
 
     virtual bool isCurrentThread() const = 0;
     virtual PlatformThreadId threadId() const { return 0; }
 
     virtual void addTaskObserver(TaskObserver*) { }
     virtual void removeTaskObserver(TaskObserver*) { }
 
     // Returns the scheduler associated with the thread.
     virtual WebScheduler* scheduler() const = 0;
 
     virtual ~WebThread() { }
 };
 
 } // namespace blink
 
 #endif