[Mac] Reverse order of browser actions in RTL

chrome/browser/ui/cocoa/extensions/browser_actions_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/extensions/browser_actions_controller.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 662 matching lines @@
   // Determine what index the dragged button should lie in, alter the model and
   // reposition the buttons.
   BrowserActionButton* draggedButton = [notification object];
   NSRect draggedButtonFrame = [draggedButton frame];
   // Find the mid-point. We flip the y-coordinates so that y = 0 is at the
   // top of the container to make row calculation more logical.
   NSPoint midPoint =
       NSMakePoint(NSMidX(draggedButtonFrame),
                   NSMaxY([containerView_ bounds]) - NSMidY(draggedButtonFrame));
 
+  if (cocoa_l10n_util::ShouldDoExperimentalRTLLayout())
+    midPoint.x = NSWidth([containerView_ frame]) - midPoint.x;
+
   // Calculate the row index and the index in the row. We bound the latter
   // because the view can go farther right than the right-most icon in the last
   // row of the overflow menu.
   NSInteger rowIndex = midPoint.y / ToolbarActionsBar::IconHeight();
   int icons_per_row = isOverflow_ ?
       toolbarActionsBar_->platform_settings().icons_per_overflow_menu_row :
       toolbarActionsBar_->GetIconCount();
   NSInteger indexInRow = std::min(icons_per_row - 1,
       static_cast<int>(midPoint.x / ToolbarActionsBar::IconWidth(true)));
 
@@ skipping 19 matching lines @@
   // The toolbar actions bar will return an empty rect if the index is for an
   // action that is before range we show (i.e., is for a button that's on the
   // main bar, and this is the overflow). Set the frame to be outside the bounds
   // of the view.
   NSRect frame = frameRect.IsEmpty() ?
       NSMakeRect(-iconWidth - 1, 0, iconWidth,
                  ToolbarActionsBar::IconHeight()) :
       NSRectFromCGRect(frameRect.ToCGRect());
   // We need to flip the y coordinate for Cocoa's view system.
   frame.origin.y = NSHeight([containerView_ frame]) - NSMaxY(frame);
+  if (cocoa_l10n_util::ShouldDoExperimentalRTLLayout())
+    frame.origin.x =
+        NSWidth([containerView_ frame]) - NSWidth(frame) - NSMinX(frame);
   return frame;
 }
 
 - (NSPoint)popupPointForView:(NSView*)view
                   withBounds:(NSRect)bounds {
   // Anchor point just above the center of the bottom.
   int y = [view isFlipped] ? NSMaxY(bounds) - kBrowserActionBubbleYOffset :
                              kBrowserActionBubbleYOffset;
   NSPoint anchor = NSMakePoint(NSMidX(bounds), y);
   // Convert the point to the container view's frame, and adjust for animation.
@@ skipping 93 matching lines @@
 }
 
 #pragma mark -
 #pragma mark Testing Methods
 
 - (BrowserActionButton*)buttonWithIndex:(NSUInteger)index {
   return index < [buttons_ count] ? [buttons_ objectAtIndex:index] : nil;
 }
 
 @end