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

components/mus/ws/platform_display.cc

Index: components/mus/ws/platform_display.cc
diff --git a/components/mus/ws/platform_display.cc b/components/mus/ws/platform_display.cc
index 08ac5372a4c72b1f1d7d5892965ce3cfb471c499..a1bdf0f90ab076a07160dfce53abb0e3b3dc05ad 100644
--- a/components/mus/ws/platform_display.cc
+++ b/components/mus/ws/platform_display.cc
@@ -257,7 +257,7 @@
     return;
 
   // TODO(fsamuel): We should add a trace for generating a top level frame.
-  cc::CompositorFrame frame(GenerateCompositorFrame());
+  std::unique_ptr<cc::CompositorFrame> frame(GenerateCompositorFrame());
   frame_pending_ = true;
   if (display_compositor_) {
     display_compositor_->SubmitCompositorFrame(
@@ -306,7 +306,8 @@
   delegate_->OnViewportMetricsChanged(old_metrics, metrics_);
 }
 
-cc::CompositorFrame DefaultPlatformDisplay::GenerateCompositorFrame() {
+std::unique_ptr<cc::CompositorFrame>
+DefaultPlatformDisplay::GenerateCompositorFrame() {
   std::unique_ptr<cc::RenderPass> render_pass = cc::RenderPass::Create();
   render_pass->damage_rect = dirty_rect_;
   render_pass->output_rect = gfx::Rect(metrics_.size_in_pixels);
@@ -319,8 +320,8 @@
   frame_data->device_scale_factor = metrics_.device_scale_factor;
   frame_data->render_pass_list.push_back(std::move(render_pass));
 
-  cc::CompositorFrame frame;
-  frame.delegated_frame_data = std::move(frame_data);
+  std::unique_ptr<cc::CompositorFrame> frame(new cc::CompositorFrame);
+  frame->delegated_frame_data = std::move(frame_data);
   return frame;
 }