[Mac] Fix avatar bubble alignment logic

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/profiles/profile_chooser_controller.h"
 
 #import <Carbon/Carbon.h>  // kVK_Return.
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 
@@ skipping 1349 matching lines @@
             signed_in) {
       viewMode_ = profiles::BUBBLE_VIEW_MODE_ACCOUNT_MANAGEMENT;
     }
 
     [window accessibilitySetOverrideValue:
         l10n_util::GetNSString(IDS_PROFILES_NEW_AVATAR_MENU_ACCESSIBLE_NAME)
                              forAttribute:NSAccessibilityTitleAttribute];
     [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_];
   }
 
   return self;
 }
 
 - (void)initMenuContentsWithView:(profiles::BubbleViewMode)viewToDisplay {
   if (browser_->profile()->IsSupervised() &&
@@ skipping 1551 matching lines @@
 }
 
 - (bool)shouldShowGoIncognito {
   bool incognitoAvailable =
       IncognitoModePrefs::GetAvailability(browser_->profile()->GetPrefs()) !=
           IncognitoModePrefs::DISABLED;
   return incognitoAvailable && !browser_->profile()->IsGuestSession();
 }
 
 @end