cocoa: flip window controls and profile switcher for RTL

chrome/browser/ui/cocoa/browser_window_layout.mm

Index: chrome/browser/ui/cocoa/browser_window_layout.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_layout.mm b/chrome/browser/ui/cocoa/browser_window_layout.mm
index 84a1c83ef8fd429487f83e44748458b6baa1c08d..e784a4682a164288d25d48c5d5db6d855285f378 100644
--- a/chrome/browser/ui/cocoa/browser_window_layout.mm
+++ b/chrome/browser/ui/cocoa/browser_window_layout.mm
@@ -7,8 +7,10 @@
 #include <math.h>
 #include <string.h>
 
+#include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
+#include "chrome/browser/ui/cocoa/l10n_util.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_controller.h"
 
 namespace chrome {
@@ -248,6 +250,12 @@ - (void)computeTabStripLayout {
   }
   layout.rightIndent = width - maxX;
 
+  if (cocoa_l10n_util::ExperimentalMacRTLIsEnabled() && base::i18n::IsRTL()) {
+    std::swap(layout.leftIndent, layout.rightIndent);
+    layout.avatarFrame.origin.x =
+        width - parameters_.avatarSize.width - layout.avatarFrame.origin.x;
+  }
+
   output_.tabStripLayout = layout;
 }