[Mac] Make bubble arrow location/position RTL-aware

chrome/browser/ui/cocoa/website_settings/chooser_bubble_ui_cocoa.mm

 // Copyright 2015 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/website_settings/chooser_bubble_ui_cocoa.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 228 matching lines @@
 
   return ui::ConvertPointFromWindowToScreen([self getExpectedParentWindow],
                                             anchor);
 }
 
 - (bool)hasLocationBar {
   return browser_->SupportsWindowFeature(Browser::FEATURE_LOCATIONBAR);
 }
 
 - (info_bubble::BubbleArrowLocation)getExpectedArrowLocation {
-  return [self hasLocationBar] ? info_bubble::kTopLeft : info_bubble::kNoArrow;
+  return [self hasLocationBar] ? info_bubble::kTopLeading
+                               : info_bubble::kNoArrow;
 }
 
 - (NSWindow*)getExpectedParentWindow {
   DCHECK(browser_->window());
   return browser_->window()->GetNativeWindow();
 }
 
 + (CGFloat)matchWidthsOf:(NSView*)viewA andOf:(NSView*)viewB {
   NSRect frameA = [viewA frame];
   NSRect frameB = [viewB frame];
@@ skipping 63 matching lines @@
 }
 
 void ChooserBubbleUiCocoa::UpdateAnchorPosition() {
   if (chooser_bubble_ui_controller_)
     [chooser_bubble_ui_controller_ updateAnchorPosition];
 }
 
 void ChooserBubbleUiCocoa::OnBubbleClosing() {
   chooser_bubble_ui_controller_ = nil;
 }