Get rid of virtual Display::CreateScheduler.

content/browser/compositor/offscreen_browser_compositor_output_surface.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 "content/browser/compositor/offscreen_browser_compositor_output_surface.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 16 matching lines @@
 using cc::GLFrameData;
 using cc::ResourceProvider;
 using gpu::gles2::GLES2Interface;
 
 namespace content {
 
 OffscreenBrowserCompositorOutputSurface::
     OffscreenBrowserCompositorOutputSurface(
         scoped_refptr<ContextProviderCommandBuffer> context,
         scoped_refptr<ui::CompositorVSyncManager> vsync_manager,
-        base::SingleThreadTaskRunner* task_runner,
+        cc::SyntheticBeginFrameSource* begin_frame_source,
         std::unique_ptr<display_compositor::CompositorOverlayCandidateValidator>
             overlay_candidate_validator)
     : BrowserCompositorOutputSurface(std::move(context),
                                      std::move(vsync_manager),
-                                     task_runner,
+                                     begin_frame_source,
                                      std::move(overlay_candidate_validator)),
       fbo_(0),
       is_backbuffer_discarded_(false),
       weak_ptr_factory_(this) {
   capabilities_.uses_default_gl_framebuffer = false;
 }
 
 OffscreenBrowserCompositorOutputSurface::
     ~OffscreenBrowserCompositorOutputSurface() {
   DiscardBackbuffer();
@@ skipping 104 matching lines @@
   if (reflector_)
     EnsureBackbuffer();
 }
 
 base::Closure
 OffscreenBrowserCompositorOutputSurface::CreateCompositionStartedCallback() {
   return base::Closure();
 }
 
 }  // namespace content