Remove now-unnecessary wrappers around gfx::Screen::GetScreen()

ash/display/screen_position_controller_unittest.cc

Index: ash/display/screen_position_controller_unittest.cc
diff --git a/ash/display/screen_position_controller_unittest.cc b/ash/display/screen_position_controller_unittest.cc
index a35b5654e04e023d8287fd341aa1a3368985800b..35a4727ca35aa70355ef927cd4424c461e1acf2d 100644
--- a/ash/display/screen_position_controller_unittest.cc
+++ b/ash/display/screen_position_controller_unittest.cc
@@ -114,7 +114,7 @@ TEST_F(ScreenPositionControllerTest, MAYBE_ConvertHostPointToScreen) {
   const gfx::Point window_pos(100, 100);
   window_->SetBoundsInScreen(
       gfx::Rect(window_pos, gfx::Size(100, 100)),
-      Shell::GetScreen()->GetDisplayNearestPoint(window_pos));
+      gfx::Screen::GetScreen()->GetDisplayNearestPoint(window_pos));
   SetSecondaryDisplayLayout(DisplayLayout::RIGHT);
   // The point is on the primary root window.
   EXPECT_EQ("50,50", ConvertHostPointToScreen(50, 50));
@@ -152,7 +152,7 @@ TEST_F(ScreenPositionControllerTest, MAYBE_ConvertHostPointToScreen) {
   const gfx::Point window_pos2(300, 100);
   window_->SetBoundsInScreen(
       gfx::Rect(window_pos2, gfx::Size(100, 100)),
-      Shell::GetScreen()->GetDisplayNearestPoint(window_pos2));
+      gfx::Screen::GetScreen()->GetDisplayNearestPoint(window_pos2));
   // The point is on the secondary display.
   EXPECT_EQ("250,50", ConvertHostPointToScreen(50, 50));
   // The point is out of the all root windows.
@@ -197,7 +197,7 @@ TEST_F(ScreenPositionControllerTest, MAYBE_ConvertHostPointToScreenHiDPI) {
 
   // Put |window_| to the primary 2x display.
   window_->SetBoundsInScreen(gfx::Rect(20, 20, 50, 50),
-                             Shell::GetScreen()->GetPrimaryDisplay());
+                             gfx::Screen::GetScreen()->GetPrimaryDisplay());
   // (30, 30) means the host coordinate, so the point is still on the primary
   // root window.  Since it's 2x, the specified native point was halved.
   EXPECT_EQ("15,15", ConvertHostPointToScreen(30, 30));
@@ -223,7 +223,7 @@ TEST_F(ScreenPositionControllerTest, MAYBE_ConvertHostPointToScreenRotate) {
   UpdateDisplay("100+100-200x200/r,100+500-200x200/l");
   // Put |window_| to the 1st.
   window_->SetBoundsInScreen(gfx::Rect(20, 20, 50, 50),
-                             Shell::GetScreen()->GetPrimaryDisplay());
+                             gfx::Screen::GetScreen()->GetPrimaryDisplay());
 
   // The point is on the 1st host.
   EXPECT_EQ("70,149", ConvertHostPointToScreen(50, 70));
@@ -255,7 +255,7 @@ TEST_F(ScreenPositionControllerTest, MAYBE_ConvertHostPointToScreenUIScale) {
   UpdateDisplay("100+100-200x200*2@1.5,100+500-200x200");
   // Put |window_| to the 1st.
   window_->SetBoundsInScreen(gfx::Rect(20, 20, 50, 50),
-                             Shell::GetScreen()->GetPrimaryDisplay());
+                             gfx::Screen::GetScreen()->GetPrimaryDisplay());
 
   // The point is on the 1st host.
   EXPECT_EQ("45,45", ConvertHostPointToScreen(60, 60));