Rename PlatformScreen to ScreenManager.

services/ui/display/screen_manager.cc

Index: services/ui/display/screen_manager.cc
diff --git a/services/ui/display/platform_screen.cc b/services/ui/display/screen_manager.cc
similarity index 64%
rename from services/ui/display/platform_screen.cc
rename to services/ui/display/screen_manager.cc
index 153331d40fee8b6918b71f7a0cd84d7ae5011594..9fb4746187f59299daaf6364b9fff5dc445802ca 100644
--- a/services/ui/display/platform_screen.cc
+++ b/services/ui/display/screen_manager.cc
@@ -2,27 +2,27 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "services/ui/display/platform_screen.h"
+#include "services/ui/display/screen_manager.h"
 
 #include "base/logging.h"
 
 namespace display {
 
 // static
-PlatformScreen* PlatformScreen::instance_ = nullptr;
+ScreenManager* ScreenManager::instance_ = nullptr;
 
-PlatformScreen::PlatformScreen() {
+ScreenManager::ScreenManager() {
   DCHECK(!instance_);
   instance_ = this;
 }
 
-PlatformScreen::~PlatformScreen() {
+ScreenManager::~ScreenManager() {
   DCHECK_EQ(instance_, this);
   instance_ = nullptr;
 }
 
 // static
-PlatformScreen* PlatformScreen::GetInstance() {
+ScreenManager* ScreenManager::GetInstance() {
   DCHECK(instance_);
   return instance_;
 }