Add ScopedMacRTL class for Cocoa browser RTL testing

chrome/browser/ui/cocoa/base_bubble_controller.mm

 // Copyright (c) 2012 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/base_bubble_controller.h"
 
 #include "base/logging.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/mac/sdk_forward_declarations.h"
 #include "base/strings/string_util.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/info_bubble_view.h"
 #import "chrome/browser/ui/cocoa/info_bubble_window.h"
-#include "chrome/browser/ui/cocoa/l10n_util.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.h"
 #include "components/bubble/bubble_controller.h"
 #include "ui/base/cocoa/cocoa_base_utils.h"
+#import "ui/base/cocoa/rtl_feature.h"
 
 @interface BaseBubbleController (Private)
 - (void)registerForNotifications;
 - (void)updateOriginFromAnchor;
 - (void)activateTabWithContents:(content::WebContents*)newContents
                previousContents:(content::WebContents*)oldContents
                         atIndex:(NSInteger)index
                          reason:(int)reason;
 - (void)recordAnchorOffset;
 - (void)parentWindowDidResize:(NSNotification*)notification;
@@ skipping 366 matching lines @@
   // This is not a "real" cancel as potential changes to the radio group are not
   // undone. That's ok.
   [self closeBubbleWithReason:BUBBLE_CLOSE_CANCELED];
 }
 
 // Takes the |anchor_| point and adjusts the window's origin accordingly.
 - (void)updateOriginFromAnchor {
   NSWindow* window = [self window];
   NSPoint origin = anchor_;
 
-  BOOL isRTL = cocoa_l10n_util::ShouldDoExperimentalRTLLayout();
+  BOOL isRTL = ui::ShouldDoExperimentalRTLLayout();
   switch ([bubble_ alignment]) {
     case info_bubble::kAlignArrowToAnchor: {
       NSSize offsets = NSMakeSize(info_bubble::kBubbleArrowXOffset +
                                   info_bubble::kBubbleArrowWidth / 2.0, 0);
       offsets = [[parentWindow_ contentView] convertSize:offsets toView:nil];
       switch ([bubble_ arrowLocation]) {
         case info_bubble::kTopRight:
           origin.x -= NSWidth([window frame]) - offsets.width;
           break;
         case info_bubble::kTopLeft:
@@ skipping 38 matching lines @@
 
 - (void)activateTabWithContents:(content::WebContents*)newContents
                previousContents:(content::WebContents*)oldContents
                         atIndex:(NSInteger)index
                          reason:(int)reason {
   // The user switched tabs; close.
   [self closeBubble];
 }
 
 @end  // BaseBubbleController