Get rid of virtual Display::CreateScheduler.

content/browser/compositor/gpu_browser_compositor_output_surface.cc

Index: content/browser/compositor/gpu_browser_compositor_output_surface.cc
diff --git a/content/browser/compositor/gpu_browser_compositor_output_surface.cc b/content/browser/compositor/gpu_browser_compositor_output_surface.cc
index ab2597ac9f92302446ba7d32996d29669fe4ea56..a17c34db3ebcf02766d3433ac8528115f412a894 100644
--- a/content/browser/compositor/gpu_browser_compositor_output_surface.cc
+++ b/content/browser/compositor/gpu_browser_compositor_output_surface.cc
@@ -22,20 +22,19 @@ namespace content {
 GpuBrowserCompositorOutputSurface::GpuBrowserCompositorOutputSurface(
     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)),
       swap_buffers_completion_callback_(base::Bind(
           &GpuBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted,
           base::Unretained(this))),
       update_vsync_parameters_callback_(base::Bind(
           &BrowserCompositorOutputSurface::OnUpdateVSyncParametersFromGpu,
-          base::Unretained(this))) {
-}
+          base::Unretained(this))) {}
 
 GpuBrowserCompositorOutputSurface::~GpuBrowserCompositorOutputSurface() {}