Make cc::CompositorFrames movable [Part 1 of 2]

cc/test/pixel_test_delegating_output_surface.cc

 // Copyright 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 "cc/test/pixel_test_delegating_output_surface.h"
 
 #include <stdint.h>
 #include <memory>
 #include <utility>
 
@@ skipping 102 matching lines @@
       surface_id_allocator_->id_namespace());
 
   display_ = nullptr;
   surface_factory_ = nullptr;
   surface_id_allocator_ = nullptr;
   surface_manager_ = nullptr;
   weak_ptrs_.InvalidateWeakPtrs();
   OutputSurface::DetachFromClient();
 }
 
-void PixelTestDelegatingOutputSurface::SwapBuffers(CompositorFrame* frame) {
+void PixelTestDelegatingOutputSurface::SwapBuffers(
+    std::unique_ptr<CompositorFrame> frame) {
   client_->DidSwapBuffers();
 
   if (delegated_surface_id_.is_null()) {
     delegated_surface_id_ = surface_id_allocator_->GenerateId();
     surface_factory_->Create(delegated_surface_id_);
   }
   display_->SetSurfaceId(delegated_surface_id_,
                          frame->metadata.device_scale_factor);
 
   gfx::Size frame_size =
       frame->delegated_frame_data->render_pass_list.back()->output_rect.size();
   display_->Resize(frame_size);
 
-  std::unique_ptr<CompositorFrame> my_frame(new CompositorFrame);
-  frame->AssignTo(my_frame.get());
   surface_factory_->SubmitCompositorFrame(
-      delegated_surface_id_, std::move(my_frame),
+      delegated_surface_id_, std::move(frame),
       base::Bind(&PixelTestDelegatingOutputSurface::DrawCallback,
                  weak_ptrs_.GetWeakPtr()));
 
   if (synchronous_composite_)
     display_->DrawAndSwap();
 }
 
 void PixelTestDelegatingOutputSurface::SetEnlargePassTextureAmount(
     const gfx::Size& amount) {
   DCHECK(!HasClient());
@@ skipping 28 matching lines @@
   ack.resources = resources;
   client_->ReclaimResources(&ack);
 }
 
 void PixelTestDelegatingOutputSurface::SetBeginFrameSource(
     BeginFrameSource* begin_frame_source) {
   client_->SetBeginFrameSource(begin_frame_source);
 }
 
 }  // namespace cc