cc: Remove unnecessary task runner refptrs from schedulers.

cc/scheduler/scheduler_unittest.cc

 // Copyright 2011 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/scheduler/scheduler.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 244 matching lines @@
   }
 
   ~SchedulerTest() override {}
 
  protected:
   TestScheduler* CreateScheduler() {
     if (scheduler_settings_.use_external_begin_frame_source) {
       fake_external_begin_frame_source_.reset(
           new FakeExternalBeginFrameSource(client_.get()));
     }
-    scheduler_ = TestScheduler::Create(now_src_.get(), client_.get(),
-                                       scheduler_settings_, 0, task_runner_,
-                                       fake_external_begin_frame_source_.get());
+    scheduler_ = TestScheduler::Create(
+        now_src_.get(), client_.get(), scheduler_settings_, 0,
+        task_runner_.get(), fake_external_begin_frame_source_.get());
     DCHECK(scheduler_);
     client_->set_scheduler(scheduler_.get());
     return scheduler_.get();
   }
 
   void CreateSchedulerAndInitSurface() {
     CreateScheduler();
     EXPECT_SCOPED(InitializeOutputSurfaceAndFirstCommit());
   }
 
@@ skipping 2700 matching lines @@
   scheduler_->SetImplLatencyTakesPriority(true);
   scheduler_->SetChildrenNeedBeginFrames(true);
 
   EXPECT_SCOPED(AdvanceFrame());
   EXPECT_TRUE(client_->begin_frame_is_sent_to_children());
   EXPECT_FALSE(client_->begin_frame_args_sent_to_children().on_critical_path);
 }
 
 }  // namespace
 }  // namespace cc