[Mac] Fix autoresizing mask for full-screen windows controls

chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm

Index: chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
diff --git a/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm b/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
index a8499d1c31d7899bdb40c222f624d63d1dd27927..d0ac1d77a4680ab2b0efaf5fddf27ea1f66fa845 100644
--- a/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
+++ b/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
@@ -2259,8 +2259,8 @@ NSRect FlipRectInView(NSView* view, NSRect rect) {
     customWindowControls_.reset(
         [[CustomWindowControlsView alloc] initWithFrame:frame]);
     [customWindowControls_
-        setAutoresizingMask:isRTL ? NSViewMaxXMargin | NSViewHeightSizable
-                                  : NSViewMinXMargin | NSViewHeightSizable];
+        setAutoresizingMask:isRTL ? NSViewMinXMargin | NSViewHeightSizable
+                                  : NSViewMaxXMargin | NSViewHeightSizable];
 
     // Add the traffic light buttons. The horizontal layout was determined by
     // manual inspection on Yosemite.