Follow up from ARC conversion

ios/chrome/browser/ui/toolbar/toolbar_controller.mm

Index: ios/chrome/browser/ui/toolbar/toolbar_controller.mm
diff --git a/ios/chrome/browser/ui/toolbar/toolbar_controller.mm b/ios/chrome/browser/ui/toolbar/toolbar_controller.mm
index cd51038362f69e19bd20b2a478b20c019a024146..b21d58076d5e1eabba4fc969aff08dcd9f50eef9 100644
--- a/ios/chrome/browser/ui/toolbar/toolbar_controller.mm
+++ b/ios/chrome/browser/ui/toolbar/toolbar_controller.mm
@@ -35,6 +35,10 @@
 #import "ios/shared/chrome/browser/ui/tools_menu/tools_menu_configuration.h"
 #import "ios/third_party/material_roboto_font_loader_ios/src/src/MaterialRobotoFontLoader.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 using base::UserMetricsAction;
 using ios::material::TimingFunction;
 
@@ -76,10 +80,6 @@ NSString* const kToolbarShareButtonIdentifier =
 // Makes a two-element C array of CGRects as described above, one for each
 // device idiom.
 #define FRAME_PAIR(H) { IPHONE_FRAME(H), IPAD_FRAME(H) }
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
 // clang-format on
 
 const CGRect kToolbarFrame[INTERFACE_IDIOM_COUNT] = FRAME_PAIR(56);