[Mac] Fix avatar bubble alignment logic

chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm

Index: chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm
diff --git a/chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm b/chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm
index 988e555dac87432cecc0621c08ea2fd3a2f32f33..c6f5b449cac641c6bc23e0fe581307aaaf836061 100644
--- a/chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm
+++ b/chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm
@@ -1367,11 +1367,13 @@ class ActiveProfileObserverBridge : public AvatarMenuObserver,
     [window accessibilitySetOverrideValue:
         l10n_util::GetNSString(IDS_PROFILES_NEW_AVATAR_MENU_ACCESSIBLE_NAME)
                              forAttribute:NSAccessibilityHelpAttribute];
-
+    BOOL shouldUseLeadingEdgeForBubble =
+        cocoa_l10n_util::ShouldDoExperimentalRTLLayout() &&
+        !cocoa_l10n_util::ShouldFlipWindowControlsInRTL();
     [[self bubble]
-        setAlignment:cocoa_l10n_util::ShouldFlipWindowControlsInRTL()
-                         ? info_bubble::kAlignTrailingEdgeToAnchorEdge
-                         : info_bubble::kAlignLeadingEdgeToAnchorEdge];
+        setAlignment:shouldUseLeadingEdgeForBubble
+                         ? info_bubble::kAlignLeadingEdgeToAnchorEdge
+                         : info_bubble::kAlignTrailingEdgeToAnchorEdge];
     [[self bubble] setArrowLocation:info_bubble::kNoArrow];
     [[self bubble] setBackgroundColor:GetDialogBackgroundColor()];
     [self initMenuContentsWithView:viewMode_];