Mus+Ash: Replace (Server)WindowSurface with (Server)WindowCompositorFrameSink

services/ui/public/interfaces/window_tree_constants.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.mojom;
 
 import "ui/gfx/geometry/mojo/geometry.mojom";
 
 // Contains state of a single window.
 struct WindowData {
@@ skipping 12 matching lines @@
 
   // True if this window is visible. The window may not be drawn on screen (see
   // OnWindowParentDrawnStateChanged() for details).
   bool visible;
 };
 
 // Each Window has support for two surfaces. Generally the |DEFAULT| surface
 // is used. The |UNDERLAY| surface is useful if the owner of a window wants to
 // to Embed() another client and at the same time draw something under the
 // embedded apps representation.
-enum SurfaceType {
+// TODO(fsamuel): Remove this once window decorations are no longer underlay
+// surfaces.

[rjkroege, 2016/10/20 22:22:18]

is there a bug? there should be. With an owner

[Fady Samuel, 2016/10/21 20:53:27]

Done.

+enum CompositorFrameSinkType {
   // Only the owner of a window may obtain this surface.
   // The window manager can change the offset of this by way of
   // SetUnderlaySurfaceOffsetAndExtendedHitArea().
   UNDERLAY,
 
   // Only the embedded app may obtain this surface. If an app is not embedded
   // in the Window than the owner may also render to this surface as well.
   DEFAULT,
 };
 
@@ skipping 10 matching lines @@
 const uint32 kDropEffectLink = 4;
 
 // When this flag is set in a call to Embed(), the embedder (i.e. the client
 // that is making the call to Embed()) will receive events that are targeted to
 // the embedded client. The embedded client will not receive any input events
 // from the window server. However, the embedder can choose to dispatch events
 // to the embedded client through other mechanism.
 // TODO(sad): Provide an API in mus for the embedder to dispatch events to the
 // embedded client. https://crbug.com/621085
 const uint32 kEmbedFlagEmbedderInterceptsEvents = 0x01;