Mus: Delete services/ui/public/interfaces/gpu

This is dead code.

BUG=none
TBR=tsepez@chromium.org

Review-Url: https://codereview.chromium.org/2550833002
Cr-Commit-Position: refs/heads/master@{#436131}

services/ui/public/interfaces/gpu/BUILD.gn

-# 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.
-
-import("//mojo/public/tools/bindings/mojom.gni")
-
-mojom("interfaces") {
-  sources = [
-    "display_compositor.mojom",
-    "display_compositor_host.mojom",
-  ]
-
-  public_deps = [
-    "//gpu/ipc/common:interfaces",
-    "//services/ui/public/interfaces",
-  ]
-}

services/ui/public/interfaces/gpu/OWNERS

-per-file *.mojom=set noparent
-per-file *.mojom=file://ipc/SECURITY_OWNERS

services/ui/public/interfaces/gpu/display_compositor.mojom

-// 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.
-
-module ui.gpu.mojom;
-
-import "cc/ipc/compositor_frame.mojom";
-import "cc/ipc/returned_resource.mojom";
-
-// A CompositorFrameSinkFactory represents a single Display client.
-// The client (a process) can use this interface to create
-// CompositorFrameSinks.
-// TODO(fsamuel): This needs a better name.
-interface CompositorFrameSinkFactory {
-  // Requests a CompositorFrameSink interface from the display compositor.
-  // A CompositorFrameSink has an associated ID consisting of three components:
-  // 1. Namespace picked by the service associated with this
-  //    CompositorFrameSinkFactory.
-  // 2. |local_id| which is a monotonically increasing ID allocated by the
-  //    client.
-  // 3. |nonce| is a cryptographically secure random number making this Sink
-  //    unguessable by other clients.
-  CreateCompositorFrameSink(uint32 local_id,
-                            uint64 nonce,
-                            CompositorFrameSink& sink,
-                            CompositorFrameSinkClient client);
-};
-
-// This is a public interface implemented by Display clients.
-// Each client implements a single instance of the DisplayClient interface.
-interface DisplayClient {
-  // Clients can register CompositorFrameSinks via the provided |factory|.
-  OnClientCreated(uint32 client_id, CompositorFrameSinkFactory factory);
-
-  // TODO(fsamuel): OnBeginFrame needs to take a BeginFrameArgs instance per
-  // cc/output/begin_frame_args.h.
-  OnBeginFrame();
-};

services/ui/public/interfaces/gpu/display_compositor_host.mojom

-// 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.
-
-module ui.gpu.mojom;
-
-import "services/ui/public/interfaces/gpu/display_compositor.mojom";
-
-// This is a privileged API to be used only by the Mus Window Server.
-// There is one Display per accelerated widget. This corresponds to a physical
-// display on Chrome OS, and a window on other Chrome platforms.
-interface Display {
-  // Each client (process) has a unique |client_id| and implements the
-  // DisplayClient interface.
-  CreateClient(uint32 client_id, DisplayClient& client);
-};
-
-interface DisplayHost {
-  // TODO(fsamuel): OnBeginFrame needs to take a BeginFrameArgs instance per
-  // cc/output/begin_frame_args.h.
-  OnBeginFrame();
-};
-
-// This is a privileged API to be used only by the Mus Window Server.
-// There should be only one DisplayCompositor connection.
-interface DisplayCompositor {
-  CreateDisplay(int32 accelerated_widget,
-                Display& display,
-                DisplayHost display_host,
-                CompositorFrameSink& sink,
-                CompositorFrameSinkClient client);
-};