cc: Remove BeginFrameSourcesConstructor.

cc/surfaces/surface_display_output_surface_unittest.cc

Index: cc/surfaces/surface_display_output_surface_unittest.cc
diff --git a/cc/surfaces/surface_display_output_surface_unittest.cc b/cc/surfaces/surface_display_output_surface_unittest.cc
index 9b67f1f6f7f3a1f05026c8aa59057a4e4eea2683..e2869e36e45c8ce16d35ce896486b065b521925f 100644
--- a/cc/surfaces/surface_display_output_surface_unittest.cc
+++ b/cc/surfaces/surface_display_output_surface_unittest.cc
@@ -25,7 +25,7 @@ class FakeOnscreenDisplayClient : public OnscreenDisplayClient {
       SharedBitmapManager* bitmap_manager,
       gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       const RendererSettings& settings,
-      scoped_refptr<base::SingleThreadTaskRunner> task_runner)
+      base::SingleThreadTaskRunner* task_runner)
       : OnscreenDisplayClient(FakeOutputSurface::Create3d(),
                               manager,
                               bitmap_manager,
@@ -56,7 +56,7 @@ class SurfaceDisplayOutputSurfaceTest : public testing::Test {
                         &bitmap_manager_,
                         &gpu_memory_buffer_manager_,
                         renderer_settings_,
-                        task_runner_),
+                        task_runner_.get()),
         context_provider_(TestContextProvider::Create()),
         surface_display_output_surface_(&surface_manager_,
                                         &allocator_,