Add EventTargeterDelegate for EventTargeter in mus-ws.

services/ui/ws/event_dispatcher.cc

 // Copyright 2015 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.
 
 #include "services/ui/ws/event_dispatcher.h"
 
 #include <algorithm>
 
 #include "base/memory/ptr_util.h"
 #include "base/time/time.h"
@@ skipping 29 matching lines @@
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
 
 EventDispatcher::EventDispatcher(EventDispatcherDelegate* delegate)
     : delegate_(delegate),
       capture_window_(nullptr),
       capture_window_client_id_(kInvalidClientId),
       modal_window_controller_(this),
       event_targeter_(
-          base::MakeUnique<EventTargeter>(delegate_,
-                                          &modal_window_controller_)),
+          base::MakeUnique<EventTargeter>(this, &modal_window_controller_)),
       mouse_button_down_(false),
       mouse_cursor_source_window_(nullptr),
       mouse_cursor_in_non_client_area_(false) {}
 
 EventDispatcher::~EventDispatcher() {
   SetMouseCursorSourceWindow(nullptr);
   if (capture_window_) {
     UnobserveWindow(capture_window_);
     capture_window_ = nullptr;
     capture_window_client_id_ = kInvalidClientId;
@@ skipping 248 matching lines @@
     }
     ProcessKeyEvent(*key_event, match_phase);
     return;
   }
 
   DCHECK(event.IsPointerEvent());
   ProcessPointerEvent(*event.AsPointerEvent());
   return;
 }
 
+ServerWindow* EventDispatcher::GetRootWindowContaining(
+    gfx::Point* location_in_display,
+    int64_t* display_id) {
+  return delegate_->GetRootWindowContaining(location_in_display, display_id);
+}
+
 void EventDispatcher::SetMouseCursorSourceWindow(ServerWindow* window) {
   if (mouse_cursor_source_window_ == window)
     return;
 
   if (mouse_cursor_source_window_)
     UnobserveWindow(mouse_cursor_source_window_);
   mouse_cursor_source_window_ = window;
   if (mouse_cursor_source_window_)
     ObserveWindow(mouse_cursor_source_window_);
 }
@@ skipping 315 matching lines @@
   if (mouse_cursor_source_window_ == window)
     SetMouseCursorSourceWindow(nullptr);
 }
 
 void EventDispatcher::OnDragCursorUpdated() {
   delegate_->UpdateNativeCursorFromDispatcher();
 }
 
 }  // namespace ws
 }  // namespace ui