cocoa: flip window controls and profile switcher for RTL

chrome/browser/ui/cocoa/l10n_util.mm

Index: chrome/browser/ui/cocoa/l10n_util.mm
diff --git a/chrome/browser/ui/cocoa/l10n_util.mm b/chrome/browser/ui/cocoa/l10n_util.mm
index 7c3b4adb2c699ffc74dda1f93fe079e4f710f159..5f101279c971a1a72d392d0d5bb0fbb892323a89 100644
--- a/chrome/browser/ui/cocoa/l10n_util.mm
+++ b/chrome/browser/ui/cocoa/l10n_util.mm
@@ -4,6 +4,7 @@
 
 #import "chrome/browser/ui/cocoa/l10n_util.h"
 
+#include "base/feature_list.h"
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #import "third_party/google_toolbox_for_mac/src/AppKit/GTMUILocalizerAndLayoutTweaker.h"
@@ -82,4 +83,11 @@ CGFloat VerticallyReflowGroup(NSArray* views) {
     return [NSString stringWithFormat:@"%@\n%@", title, url];
 }
 
+const base::Feature kExperimentalMacRTL{"ExperimentalMacRTL",
+                                        base::FEATURE_DISABLED_BY_DEFAULT};
+
+bool ExperimentalMacRTLIsEnabled() {
+  return base::FeatureList::IsEnabled(kExperimentalMacRTL);
+}
+
 }  // namespace cocoa_l10n_util