Plumb SetVisible from ui::Compositor to the DirectRenderer.

cc/surfaces/display_unittest.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 "cc/surfaces/display.h"
 
 #include <utility>
 
 #include "base/test/null_task_runner.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 113 matching lines @@
 
     std::unique_ptr<TestDisplayScheduler> scheduler(
         new TestDisplayScheduler(begin_frame_source.get(), task_runner_.get()));
     scheduler_ = scheduler.get();
 
     display_ = base::MakeUnique<Display>(
         &shared_bitmap_manager_, nullptr /* gpu_memory_buffer_manager */,
         settings, std::move(begin_frame_source), std::move(output_surface),
         std::move(scheduler),
         base::MakeUnique<TextureMailboxDeleter>(task_runner_.get()));
+    display_->SetVisible(true);
   }
 
  protected:
   void SubmitCompositorFrame(RenderPassList* pass_list,
                              const SurfaceId& surface_id) {
     std::unique_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
     pass_list->swap(frame_data->render_pass_list);
 
     CompositorFrame frame;
     frame.delegated_frame_data = std::move(frame_data);
@@ skipping 350 matching lines @@
 
   EXPECT_CALL(*context_ptr, shallowFinishCHROMIUM());
   display_->Resize(gfx::Size(250, 250));
   testing::Mock::VerifyAndClearExpectations(context_ptr);
 
   factory_.Destroy(surface_id);
 }
 
 }  // namespace
 }  // namespace cc