Split cursor location from UserDisplayManager.

services/ui/ws/display_manager.cc

 // 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.
 
 #include "services/ui/ws/display_manager.h"
 
 #include <vector>
 
 #include "base/memory/ptr_util.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 31 matching lines @@
 
 UserDisplayManager* DisplayManager::GetUserDisplayManager(
     const UserId& user_id) {
   if (!user_display_managers_.count(user_id)) {
     user_display_managers_[user_id] =
         base::MakeUnique<UserDisplayManager>(this, window_server_, user_id);
   }
   return user_display_managers_[user_id].get();
 }
 
+CursorLocationManager* DisplayManager::GetCursorLocationManager(
+    const UserId& user_id) {
+  if (!cursor_location_managers_.count(user_id)) {
+    cursor_location_managers_[user_id] =
+        base::MakeUnique<CursorLocationManager>();
+  }
+  return cursor_location_managers_[user_id].get();
+}
+
 void DisplayManager::AddDisplay(Display* display) {
   DCHECK_EQ(0u, pending_displays_.count(display));
   pending_displays_.insert(display);
 }
 
 void DisplayManager::DestroyDisplay(Display* display) {
   if (pending_displays_.count(display)) {
     pending_displays_.erase(display);
   } else {
     for (const auto& pair : user_display_managers_)
@@ skipping 155 matching lines @@
 void DisplayManager::OnPrimaryDisplayChanged(int64_t primary_display_id) {
   // TODO(kylechar): Send IPCs to WM clients first.
 
   // Send IPCs to any DisplayManagerObservers.
   for (const auto& pair : user_display_managers_)
     pair.second->OnPrimaryDisplayChanged(primary_display_id);
 }
 
 }  // namespace ws
 }  // namespace ui