base::mac::IsOSSierra() -> base::mac::IsOS10_12(), etc.

ui/gfx/mac/scoped_cocoa_disable_screen_updates.h

Index: ui/gfx/mac/scoped_cocoa_disable_screen_updates.h
diff --git a/ui/gfx/mac/scoped_cocoa_disable_screen_updates.h b/ui/gfx/mac/scoped_cocoa_disable_screen_updates.h
index e431ecd586b08b2001318db2b73227453882ea08..b20492cf197e97572dfbe6cc8b1e1e6818f8bd6c 100644
--- a/ui/gfx/mac/scoped_cocoa_disable_screen_updates.h
+++ b/ui/gfx/mac/scoped_cocoa_disable_screen_updates.h
@@ -20,7 +20,7 @@ namespace gfx {
 class ScopedCocoaDisableScreenUpdates {
  public:
   ScopedCocoaDisableScreenUpdates() {
-    if (base::mac::IsOSElCapitanOrLater()) {
+    if (base::mac::IsAtLeastOS10_11()) {
       // Beginning with OS X 10.11, [NSAnimationContext beginGrouping] is the
       // preferred way of disabling screen updates. Use of
       // NSDisableScreenUpdates() is discouraged.
@@ -30,7 +30,7 @@ class ScopedCocoaDisableScreenUpdates {
     }
   }
   ~ScopedCocoaDisableScreenUpdates() {
-    if (base::mac::IsOSElCapitanOrLater()) {
+    if (base::mac::IsAtLeastOS10_11()) {
       [NSAnimationContext endGrouping];
     } else {
       NSEnableScreenUpdates();