[Mac] Fix bookmark bar no item container autoresizing mask

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_view_cocoa.mm

 // Copyright (c) 2011 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/bookmarks/bookmark_bar_view_cocoa.h"
 
 #include "base/metrics/user_metrics.h"
 #include "chrome/browser/profiles/profile.h"
 #import "chrome/browser/themes/theme_properties.h"
 #import "chrome/browser/themes/theme_service.h"
@@ skipping 66 matching lines @@
   DCHECK(controller) << "Controller shouldn't be nil";
   if (self = [super initWithFrame:frame]) {
     controller_ = controller;
 
     NSFont* smallSystemFont =
         [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
     noItemContainer_.reset(
         [[NSView alloc] initWithFrame:NSMakeRect(0, 0, kInitialContainerWidth,
                                                  kInitialContainerHeight)]);
     [noItemContainer_ setAutoresizingMask:NSViewMaxXMargin];
+    [noItemContainer_ setAutoresizingMask:NSViewWidthSizable];
 
     noItemTextfield_.reset([[NSTextField alloc]
         initWithFrame:NSMakeRect(kInitialTextFieldXOrigin,
                                  kInitialElementYOrigin, CGFLOAT_MAX,
                                  kInitialElementHeight)]);
     [noItemTextfield_ setAutoresizingMask:NSViewWidthSizable];
     [noItemTextfield_ setFont:smallSystemFont];
     [noItemTextfield_
         setStringValue:l10n_util::GetNSString(IDS_BOOKMARKS_NO_ITEMS)];
     [noItemTextfield_ setEditable:NO];
@@ skipping 251 matching lines @@
 
 - (NSMenu*)menu {
   return [[controller_ menuController] menuForBookmarkBar];
 }
 
 - (ViewID)viewID {
   return VIEW_ID_BOOKMARK_BAR;
 }
 
 @end  // @implementation BookmarkBarView