Mus+Ash: Unified BeginFrame Skeleton

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 "base/memory/ptr_util.h"
 #include "base/trace_event/trace_event.h"
 #include "services/ui/display/platform_screen.h"
 #include "services/ui/ws/display.h"
@@ skipping 73 matching lines @@
 std::set<const Display*> DisplayManager::displays() const {
   std::set<const Display*> ret_value(displays_.begin(), displays_.end());
   return ret_value;
 }
 
 void DisplayManager::OnDisplayUpdate(Display* display) {
   for (const auto& pair : user_display_managers_)
     pair.second->OnDisplayUpdate(display);
 }
 
-Display* DisplayManager::GetDisplayContaining(ServerWindow* window) {
+Display* DisplayManager::GetDisplayContaining(const ServerWindow* window) {
   return const_cast<Display*>(
       static_cast<const DisplayManager*>(this)->GetDisplayContaining(window));
 }
 
 const Display* DisplayManager::GetDisplayContaining(
     const ServerWindow* window) const {
   while (window && window->parent())
     window = window->parent();
   for (Display* display : displays_) {
     if (window == display->root_window())
@@ skipping 112 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