Revert of Add DisplayScheduler for Surfaces

cc/surfaces/display_scheduler.h

Index: cc/surfaces/display_scheduler.h
diff --git a/cc/surfaces/display_scheduler.h b/cc/surfaces/display_scheduler.h
deleted file mode 100644
index dd07f5a32b301a2bb382cb8b92b08d371a37e285..0000000000000000000000000000000000000000
--- a/cc/surfaces/display_scheduler.h
+++ /dev/null
@@ -1,87 +0,0 @@
-// 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.
-
-#ifndef CC_SURFACES_DISPLAY_SCHEDULER_H_
-#define CC_SURFACES_DISPLAY_SCHEDULER_H_
-
-#include "base/cancelable_callback.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/single_thread_task_runner.h"
-#include "cc/scheduler/begin_frame_source.h"
-#include "cc/surfaces/surface_id.h"
-#include "cc/surfaces/surfaces_export.h"
-
-namespace cc {
-
-class OutputSurface;
-class BeginFrameSource;
-
-// TODO(brianderson): Reconcile with SurfacesScheduler crbug.com/476676
-class CC_SURFACES_EXPORT DisplaySchedulerClient {
- public:
-  virtual ~DisplaySchedulerClient() {}
-
-  virtual bool DrawAndSwap() = 0;
-};
-
-class CC_SURFACES_EXPORT DisplayScheduler : public BeginFrameObserverMixIn {
- public:
-  DisplayScheduler(DisplaySchedulerClient* client,
-                   BeginFrameSource* begin_frame_source,
-                   scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-                   int max_pending_swaps);
-  ~DisplayScheduler() override;
-
-  void SetResourcesLockedByBrowser(bool locked);
-  virtual void EntireDisplayDamaged();
-  virtual void SurfaceDamaged(SurfaceId surface_id);
-
-  virtual void DidSwapBuffers();
-  void DidSwapBuffersComplete();
-
-  void OutputSurfaceLost();
-
-  // BeginFrameObserverMixIn implementation
-  bool OnBeginFrameMixInDelegate(const BeginFrameArgs& args) override;
-
- protected:
-  base::TimeTicks DesiredBeginFrameDeadlineTime();
-  virtual void ScheduleBeginFrameDeadline();
-  void OnBeginFrameDeadline();
-  void DrawAndSwap();
-
-  DisplaySchedulerClient* client_;
-  BeginFrameSource* begin_frame_source_;
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-
-  BeginFrameArgs current_begin_frame_args_;
-  base::Closure begin_frame_deadline_closure_;
-  base::CancelableClosure begin_frame_deadline_task_;
-  base::TimeTicks begin_frame_deadline_task_time_;
-
-  bool output_surface_lost_;
-  bool resources_locked_by_browser_;
-
-  bool inside_begin_frame_deadline_interval_;
-  bool needs_draw_;
-  bool entire_display_damaged_;
-  bool all_active_surfaces_ready_to_draw_;
-
-  int pending_swaps_;
-  int max_pending_swaps_;
-
-  std::set<SurfaceId> surface_ids_damaged_;
-  std::set<SurfaceId> surface_ids_damaged_prev_;
-  std::vector<SurfaceId> surface_ids_to_expect_damage_from_;
-
-  base::WeakPtrFactory<DisplayScheduler> weak_ptr_factory_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DisplayScheduler);
-};
-
-}  // namespace cc
-
-#endif  // CC_SURFACES_DISPLAY_SCHEDULER_H_