cc: Remove unnecessary task runner refptrs from schedulers.

cc/surfaces/display_scheduler.cc

 // Copyright 2015 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/surfaces/display_scheduler.h"
 
 #include <vector>
 
 #include "base/stl_util.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/output/output_surface.h"
 
 namespace cc {
 
-DisplayScheduler::DisplayScheduler(
-    DisplaySchedulerClient* client,
-    BeginFrameSource* begin_frame_source,
-    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-    int max_pending_swaps)
+DisplayScheduler::DisplayScheduler(DisplaySchedulerClient* client,
+                                   BeginFrameSource* begin_frame_source,
+                                   base::SingleThreadTaskRunner* task_runner,
+                                   int max_pending_swaps)
     : client_(client),
       begin_frame_source_(begin_frame_source),
       task_runner_(task_runner),
       output_surface_lost_(false),
       root_surface_resources_locked_(true),
       inside_begin_frame_deadline_interval_(false),
       needs_draw_(false),
       entire_display_damaged_(false),
       all_active_child_surfaces_ready_to_draw_(false),
       pending_swaps_(0),
@@ skipping 248 matching lines @@
 }
 
 void DisplayScheduler::DidSwapBuffersComplete() {
   pending_swaps_--;
   TRACE_EVENT1("cc", "DisplayScheduler::DidSwapBuffersComplete",
                "pending_frames", pending_swaps_);
   ScheduleBeginFrameDeadline();
 }
 
 }  // namespace cc