cc: Remove ScheduleOnOriginThread() and CompleteOnOriginThread().

cc/raster/task_graph_work_queue.cc

 // 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.
 
 #include "cc/raster/task_graph_work_queue.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 171 matching lines @@
   }
 
   // Swap task graph.
   task_namespace.graph.Swap(graph);
 
   // Determine what tasks in old graph need to be canceled.
   for (TaskGraph::Node::Vector::iterator it = graph->nodes.begin();
        it != graph->nodes.end(); ++it) {
     TaskGraph::Node& node = *it;
 
-    // Skip if already finished running task.
-    if (node.task->state().IsFinished())
+    // Skip if already finished or completed.
+    if (node.task->state().IsFinished() || node.task->state().IsCompleted())
       continue;
 
     // Skip if already running.
     if (std::any_of(task_namespace.running_tasks.begin(),
                     task_namespace.running_tasks.end(),
                     [&node](const CategorizedTask& task) {
                       return task.second == node.task;
                     }))
       continue;
 
@@ skipping 163 matching lines @@
 
   for (const TaskGraph::Node& node : graph->nodes) {
     if (dependents[node.task] != node.dependencies)
       return true;
   }
 
   return false;
 }
 
 }  // namespace cc