mash: changes can_accept_events to an enum

services/ui/public/interfaces/window_tree.mojom

 // Copyright 2014 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 "cc/ipc/surface_info.mojom";
 import "cc/ipc/mojo_compositor_frame_sink.mojom";
 import "services/ui/public/interfaces/cursor.mojom";
 import "services/ui/public/interfaces/event_matcher.mojom";
@@ skipping 235 matching lines @@
   // and cursor locking.
 
   // Set text input state for the given window.
   SetWindowTextInputState(uint32 window_id, mojo.TextInputState state);
 
   // Set the input method editor UI (software keyboard, etc) visibility.
   // If state is non-null, the specified window's text input state is updated.
   // Otherwise the existing state is used.
   SetImeVisibility(uint32 window_id, bool visible, mojo.TextInputState? state);
 
-  // Set whether the specified window can accept events. If a window does not
-  // accept events, none of its descendant windows accept events either.
-  SetCanAcceptEvents(uint32 window_id, bool accept_events);
+  // Sets the EventTargetingPolicy. See EventTargetingPolicy for details.
+  SetEventTargetingPolicy(uint32 window_id, EventTargetingPolicy policy);
 
   // See documentation for WindowTreeClient::OnWindowInputEvent().
   OnWindowInputEventAck(uint32 event_id, EventResult result);
 
   // If the current focus is (or is a child of) |window_id|, requests that the
   // window manager change the focus to the next activatable window.
   DeactivateWindow(uint32 window_id);
 
   // Stacks the window |above_id| above |below_id|. These two windows must
   // share the same parent.
@@ skipping 230 matching lines @@
   // See description of WindowManager for details.
   GetWindowManager(associated WindowManager& internal);
 };
 
 // Mus provides this interface as a way for clients to connect and obtain a
 // WindowTree handle with a supplied WindowTreeClient handle. The
 // WindowTreeClient has no roots, use NewTopLevelWindow() to create one.
 interface WindowTreeFactory {
   CreateWindowTree(WindowTree& tree_request, WindowTreeClient client);
 };