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

chrome/browser/extensions/display_info_provider_mac.cc

Index: chrome/browser/extensions/display_info_provider_mac.cc
diff --git a/chrome/browser/extensions/display_info_provider_mac.cc b/chrome/browser/extensions/display_info_provider_mac.cc
index c0bc4402775afa759c97d9bae1ab96c8ac6f7299..370ed20edd34eb6fc778054dd2ddde3a5c861d39 100644
--- a/chrome/browser/extensions/display_info_provider_mac.cc
+++ b/chrome/browser/extensions/display_info_provider_mac.cc
@@ -4,8 +4,6 @@
 
 #include "chrome/browser/extensions/display_info_provider_mac.h"
 
-#include "ui/gfx/screen.h"
-
 namespace extensions {
 
 DisplayInfoProviderMac::DisplayInfoProviderMac() {
@@ -32,10 +30,6 @@ void DisplayInfoProviderMac::UpdateDisplayUnitInfoForPlatform(
   }
 }
 
-gfx::Screen* DisplayInfoProviderMac::GetActiveScreen() {
-  return gfx::Screen::GetScreen();
-}
-
 // static
 DisplayInfoProvider* DisplayInfoProvider::Create() {
   return new DisplayInfoProviderMac();