Get rid of virtual Display::CreateScheduler.

content/browser/compositor/vulkan_browser_compositor_output_surface.cc

 // Copyright (c) 2016 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/vulkan_browser_compositor_output_surface.h"
 
 #include "cc/output/output_surface_client.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "gpu/vulkan/vulkan_surface.h"
 
 namespace content {
 
 VulkanBrowserCompositorOutputSurface::VulkanBrowserCompositorOutputSurface(
     const scoped_refptr<cc::VulkanContextProvider>& context,
     const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
-    base::SingleThreadTaskRunner* task_runner)
-    : BrowserCompositorOutputSurface(context, vsync_manager, task_runner) {}
+    cc::SyntheticBeginFrameSource* begin_frame_source)
+    : BrowserCompositorOutputSurface(context,
+                                     vsync_manager,
+                                     begin_frame_source) {}
 
 VulkanBrowserCompositorOutputSurface::~VulkanBrowserCompositorOutputSurface() {
   Destroy();
 }
 
 bool VulkanBrowserCompositorOutputSurface::Initialize(
     gfx::AcceleratedWidget widget) {
   DCHECK(!surface_);
   std::unique_ptr<gpu::VulkanSurface> surface(
       gpu::VulkanSurface::CreateViewSurface(widget));
@@ skipping 22 matching lines @@
 }
 
 void VulkanBrowserCompositorOutputSurface::SwapBuffers(
     cc::CompositorFrame* frame) {
   surface_->SwapBuffers();
   PostSwapBuffersComplete();
   client_->DidSwapBuffers();
 }
 
 }  // namespace content