[mus]Add FrameGenerator::SetHighContrastMode(bool)

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"
 #include "services/ui/display/viewport_metrics.h"
 #include "services/ui/ws/cursor_location_manager.h"
 #include "services/ui/ws/display.h"
 #include "services/ui/ws/display_binding.h"
 #include "services/ui/ws/event_dispatcher.h"
+#include "services/ui/ws/frame_generator.h"
 #include "services/ui/ws/server_window.h"
 #include "services/ui/ws/user_display_manager.h"
 #include "services/ui/ws/user_display_manager_delegate.h"
 #include "services/ui/ws/user_id_tracker.h"
 #include "services/ui/ws/window_manager_state.h"
 #include "services/ui/ws/window_manager_window_tree_factory.h"
 #include "services/ui/ws/window_server_delegate.h"
 #include "services/ui/ws/window_tree.h"
 
 namespace ui {
@@ skipping 131 matching lines @@
 
 void DisplayManager::OnDisplayAcceleratedWidgetAvailable(Display* display) {
   DCHECK_NE(0u, pending_displays_.count(display));
   DCHECK_EQ(0u, displays_.count(display));
   const bool is_first_display = displays_.empty();
   displays_.insert(display);
   pending_displays_.erase(display);
   window_server_->OnDisplayReady(display, is_first_display);
 }
 
+void DisplayManager::SetHighContrastMode(bool enabled) {
+  for (Display* display : displays_) {
+    display->platform_display()->GetFrameGenerator()->SetHighContrastMode(
+        enabled);
+  }
+}
+
 void DisplayManager::OnActiveUserIdChanged(const UserId& previously_active_id,
                                            const UserId& active_id) {
   WindowManagerState* previous_window_manager_state =
       window_server_->GetWindowManagerStateForUser(previously_active_id);
   gfx::Point mouse_location_on_screen;
   if (previous_window_manager_state) {
     mouse_location_on_screen = previous_window_manager_state->event_dispatcher()
                                    ->mouse_pointer_last_location();
     previous_window_manager_state->Deactivate();
   }
@@ skipping 50 matching lines @@
   DVLOG(3) << "OnPrimaryDisplayChanged: " << 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