Display Compositor: Allocate LocalFrameId in client.

services/ui/ws/frame_generator.h

 // 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.
 
 #ifndef SERVICES_UI_WS_FRAME_GENERATOR_H_
 #define SERVICES_UI_WS_FRAME_GENERATOR_H_
 
 #include <memory>
 #include <unordered_map>
 
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "cc/surfaces/frame_sink_id.h"
 #include "cc/surfaces/surface_id.h"
+#include "cc/surfaces/surface_id_allocator.h"
 #include "services/ui/public/interfaces/window_tree_constants.mojom.h"
 #include "services/ui/ws/ids.h"
 #include "services/ui/ws/server_window_tracker.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace cc {
 class CompositorFrame;
 class RenderPass;
 class SurfaceId;
@@ skipping 89 matching lines @@
 
   ui::DisplayCompositor* GetDisplayCompositor();
 
   // ServerWindowObserver implementation.
   void OnWindowDestroying(ServerWindow* window) override;
 
   FrameGeneratorDelegate* delegate_;
   ServerWindow* const root_window_;
   scoped_refptr<gpu::GpuChannelHost> gpu_channel_;
 
+  gfx::Size last_submitted_frame_size_;
+  cc::LocalFrameId local_frame_id_;
+  cc::SurfaceIdAllocator id_allocator_;
   cc::mojom::MojoCompositorFrameSinkPtr compositor_frame_sink_;
   gfx::AcceleratedWidget widget_ = gfx::kNullAcceleratedWidget;
 
   // Represents the top level root surface id that should reference the display
   // root surface. We don't know the actual value, because it's generated in
   // another process, this is used internally as a placeholder.
   const cc::SurfaceId top_level_root_surface_id_;
 
   struct SurfaceReference {
     cc::SurfaceId parent_id;
@@ skipping 20 matching lines @@
   base::WeakPtrFactory<FrameGenerator> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameGenerator);
 };
 
 }  // namespace ws
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_FRAME_GENERATOR_H_