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

cc/test/pixel_test_delegating_output_surface.cc

Index: cc/test/pixel_test_delegating_output_surface.cc
diff --git a/cc/test/pixel_test_delegating_output_surface.cc b/cc/test/pixel_test_delegating_output_surface.cc
index d38b19c0de604b1fe89da130a98ff9619cd776d1..6b797428a11c969b236105c07860bc33bf9e691c 100644
--- a/cc/test/pixel_test_delegating_output_surface.cc
+++ b/cc/test/pixel_test_delegating_output_surface.cc
@@ -120,7 +120,8 @@ void PixelTestDelegatingOutputSurface::DetachFromClient() {
   OutputSurface::DetachFromClient();
 }
 
-void PixelTestDelegatingOutputSurface::SwapBuffers(CompositorFrame* frame) {
+void PixelTestDelegatingOutputSurface::SwapBuffers(
+    std::unique_ptr<CompositorFrame> frame) {
   client_->DidSwapBuffers();
 
   if (delegated_surface_id_.is_null()) {
@@ -134,10 +135,8 @@ void PixelTestDelegatingOutputSurface::SwapBuffers(CompositorFrame* frame) {
       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()));