Rename DisplayCompositor to MojoFrameSinkManager.

cc/ipc/frame_sink_manager.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 cc.mojom;
 
 import "cc/ipc/frame_sink_id.mojom";
 import "cc/ipc/local_surface_id.mojom";
 import "cc/ipc/mojo_compositor_frame_sink.mojom";
 import "cc/ipc/surface_id.mojom";
 import "cc/ipc/surface_info.mojom";
 import "gpu/ipc/common/surface_handle.mojom";
 import "mojo/common/time.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 import "ui/gfx/mojo/color_space.mojom";
 
 // See ui/compositor/compositor.h: ContextFactoryPrivate.
 // The DisplayPrivate is used by privileged clients to talk to cc::Display.
 // DisplayPrivate would eventually replace or be used by ContextFactoryPrivate.
 interface DisplayPrivate {
   SetDisplayVisible(bool visible);
   ResizeDisplay(gfx.mojom.Size size_in_pixel);
   SetDisplayColorSpace(gfx.mojom.ColorSpace color_space);
   SetOutputIsSecure(bool secure);
   SetLocalSurfaceId(cc.mojom.LocalSurfaceId local_surface_id,
                     float scale_factor);
 };
 
-// The DisplayCompositor interface is a privileged interface that allows
-// the display compositor host (browser or window server) to create
+// The FrameSinkManager interface is a privileged interface that allows the
+// frame sink manager host (browser or window server) to create
 // CompositorFrameSinks. Clients acquire a CompositorFrameSink connection
-// through the display compositor host. Clients request a
+// through the frame sink manager host. Clients request a
 // MojoCompositorFrameSink interface, and implement a
-// MojoCompositorFrameSinkClient interface. The display compositor host
-// holds one or more root CompositorFrameSinks that are tied to a valid
-// |surface_handle|. All other CompositorFrameSinks are offscreen. FrameSinkIds
-// are fixed for a given client and are determined ahead of time. Thus, a client
-// will typically simply request a CompositorFrameSink from the display
-// compositor host which will forward the request to the display compositor.
-interface DisplayCompositor {
+// MojoCompositorFrameSinkClient interface. The frame sink manager host
+// holds one or more display CompositorFrameSinks that are tied to a valid
+// |surface_handle| and cc::Display. All other CompositorFrameSinks must be
+// parented by another CompositorFrameSink. FrameSinkIds are fixed for a given
+// client and are determined ahead of time. Thus, a client will typically simply
+// request a CompositorFrameSink from the frame sink manager host which will
+// forward the request to the frame sink manager.
+interface FrameSinkManager {
   // Create a CompositorFrameSink for a privileged client (e.g. WindowServer).
   // This is only used by privileged clients. The client can call methods that
   // talks to the Display (e.g. ResizeDisplay(), SetDisplayVisible(), etc)
   CreateRootCompositorFrameSink(
       cc.mojom.FrameSinkId frame_sink_id,
       gpu.mojom.SurfaceHandle widget,
       associated cc.mojom.MojoCompositorFrameSink& compositor_frame_sink,
       cc.mojom.MojoCompositorFrameSinkPrivate& compositor_frame_sink_private,
       cc.mojom.MojoCompositorFrameSinkClient compositor_frame_sink_client,
       associated DisplayPrivate& display_private);
 
-  // CreateCompositorFrameSink is used by unprivileged clients.
-  // This CompositorFrameSink is not a root, and has to be parented by another
+  // CreateCompositorFrameSink is used by unprivileged clients. This
+  // CompositorFrameSink is not a root, and has to be parented by another
   // CompositorFrameSink in order to appear on screen.
   CreateCompositorFrameSink(
       cc.mojom.FrameSinkId frame_sink_id,
       cc.mojom.MojoCompositorFrameSink& compositor_frame_sink,
       cc.mojom.MojoCompositorFrameSinkPrivate& compositor_frame_sink_private,
       cc.mojom.MojoCompositorFrameSinkClient compositor_frame_sink_client);
 
   // Set up a BeginFrame relationship between two FrameSinkIds. In this case,
   // the child inherits the BeginFrameSource from the parent if it doesn't
   // already have a BeginFrameSource.
   RegisterFrameSinkHierarchy(cc.mojom.FrameSinkId parent_frame_sink_id,
                              cc.mojom.FrameSinkId child_frame_sink_id);
 
   // Removes a BeginFrame relationship between two FrameSinkIds.
   UnregisterFrameSinkHierarchy(cc.mojom.FrameSinkId parent_frame_sink_id,
                                cc.mojom.FrameSinkId child_frame_sink_id);
 
   // Drops the temporary reference for |surface_id|. This will get called when
-  // the DisplayCompositorClient doesn't think |surface_id| will be embedded.
+  // the FrameSinkManagerClient doesn't think |surface_id| will be embedded.
   DropTemporaryReference(cc.mojom.SurfaceId surface_id);
 };
 
-// The DisplayCompositorClient interface is implemented by the Display
+// The FrameSinkManagerClient interface is implemented by the Display
 // Compositor Host, a stable, and privileged peer service to the display
-// compositor. The display compositor host is either the browser process in
+// compositor. The frame sink manager host is either the browser process in
 // Chrome or the window server process.
-interface DisplayCompositorClient {
-  // Called by the display compositor immediately upon receiving a
+interface FrameSinkManagerClient {
+  // Called by the frame sink manager immediately upon receiving a
   // CompositorFrame with a new SurfaceId for the first time.
   OnSurfaceCreated(SurfaceInfo surface_info);
 };