Introduce TaskRunner::RunsTasksInCurrentSequence()

chrome/browser/memory/tab_manager_unittest.cc

 // Copyright (c) 2012 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 "chrome/browser/memory/tab_manager.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 100 matching lines @@
   }
 };
 
 // A TaskRunner implementation that delegates to a MockTaskRunner for asserting
 // on task insertion order, and which stores tasks for actual later execution.
 class TaskRunnerProxy : public base::TaskRunner {
  public:
   TaskRunnerProxy(MockTaskRunner* mock,
                   base::SimpleTestTickClock* clock)
       : mock_(mock), clock_(clock) {}
-  bool RunsTasksOnCurrentThread() const override { return true; }
+  bool RunsTasksInCurrentSequence() const override { return true; }
   bool PostDelayedTask(const tracked_objects::Location& location,
                        base::OnceClosure closure,
                        base::TimeDelta delta) override {
     mock_->PostDelayedTask(location, delta);
     base::TimeTicks when = clock_->NowTicks() + delta;
     tasks_.push_back(Task(when, std::move(closure)));
     // Use 'greater' comparator to make this a min heap.
     std::push_heap(tasks_.begin(), tasks_.end(), TaskComparator());
     return true;
   }
@@ skipping 612 matching lines @@
   // Since tab2 is kept inactive and background for more than time-to-purge,
   // tab2 should be purged.
   EXPECT_TRUE(tab_manager.GetWebContentsData(tab2)->is_purged());
 
   // Activate tab2. Tab2's PurgeAndSuspend state should be NOT_PURGED.
   tabstrip.ActivateTabAt(1, true /* user_gesture */);
   EXPECT_FALSE(tab_manager.GetWebContentsData(tab2)->is_purged());
 }
 
 }  // namespace memory