Get rid of virtual Display::CreateScheduler.

cc/surfaces/surface_display_output_surface_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/surface_display_output_surface.h"
 
 #include <memory>
 
 #include "cc/output/renderer_settings.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/surface_id_allocator.h"
 #include "cc/surfaces/surface_manager.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_output_surface_client.h"
 #include "cc/test/ordered_simple_task_runner.h"
 #include "cc/test/test_context_provider.h"
 #include "cc/test/test_gpu_memory_buffer_manager.h"
 #include "cc/test/test_shared_bitmap_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 class SurfaceDisplayOutputSurfaceTest : public testing::Test {
  public:
   SurfaceDisplayOutputSurfaceTest()
       : now_src_(new base::SimpleTestTickClock()),
         task_runner_(new OrderedSimpleTaskRunner(now_src_.get(), true)),
-        begin_frame_source_(new BackToBackBeginFrameSource(task_runner_.get())),
+        begin_frame_source_(task_runner_.get()),
         allocator_(0),
         display_size_(1920, 1080),
         display_rect_(display_size_),
         context_provider_(TestContextProvider::Create()) {
     surface_manager_.RegisterSurfaceIdNamespace(allocator_.id_namespace());
 
     std::unique_ptr<FakeOutputSurface> display_output_surface =
         FakeOutputSurface::Create3d();
     display_output_surface_ = display_output_surface.get();
     display_output_surface_->set_max_frames_pending(2);
 
-    display_.reset(new Display(&surface_manager_, &bitmap_manager_,
-                               &gpu_memory_buffer_manager_, renderer_settings_,
-                               allocator_.id_namespace(), task_runner_.get(),
-                               std::move(display_output_surface)));
+    display_.reset(new Display(
+        &surface_manager_, &bitmap_manager_, &gpu_memory_buffer_manager_,
+        renderer_settings_, allocator_.id_namespace(), task_runner_.get(),
+        &begin_frame_source_, std::move(display_output_surface)));
     delegated_output_surface_.reset(new SurfaceDisplayOutputSurface(
         &surface_manager_, &allocator_, display_.get(), context_provider_,
         nullptr));
 
-    // Set the Display's begin frame source like a real browser compositor
-    // output surface would.
-    display_->SetBeginFrameSource(begin_frame_source_.get());
     delegated_output_surface_->BindToClient(&delegated_output_surface_client_);
     display_->Resize(display_size_);
 
     EXPECT_FALSE(
         delegated_output_surface_client_.did_lose_output_surface_called());
   }
 
   ~SurfaceDisplayOutputSurfaceTest() override {}
 
   void SwapBuffersWithDamage(const gfx::Rect& damage_rect) {
@@ skipping 15 matching lines @@
     SwapBuffersWithDamage(display_rect_);
 
     EXPECT_EQ(0u, display_output_surface_->num_sent_frames());
     task_runner_->RunUntilIdle();
     EXPECT_EQ(1u, display_output_surface_->num_sent_frames());
   }
 
  protected:
   std::unique_ptr<base::SimpleTestTickClock> now_src_;
   scoped_refptr<OrderedSimpleTaskRunner> task_runner_;
-  std::unique_ptr<BackToBackBeginFrameSource> begin_frame_source_;
+  BackToBackBeginFrameSource begin_frame_source_;
   SurfaceIdAllocator allocator_;
 
   const gfx::Size display_size_;
   const gfx::Rect display_rect_;
   SurfaceManager surface_manager_;
   TestSharedBitmapManager bitmap_manager_;
   TestGpuMemoryBufferManager gpu_memory_buffer_manager_;
   RendererSettings renderer_settings_;
 
   scoped_refptr<TestContextProvider> context_provider_;
@@ skipping 40 matching lines @@
   EXPECT_EQ(1u, display_output_surface_->num_sent_frames());
 
   SwapBuffersWithDamage(gfx::Rect());
   EXPECT_EQ(1u, display_output_surface_->num_sent_frames());
   task_runner_->RunUntilIdle();
   EXPECT_EQ(1u, display_output_surface_->num_sent_frames());
 }
 
 }  // namespace
 }  // namespace cc