[Mac] Misc fixes for the new avatar bubble

chrome/browser/ui/cocoa/website_settings/website_settings_bubble_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/website_settings/website_settings_bubble_controller.h"
 
 #include <cmath>
 
 #import <AppKit/AppKit.h>
 
@@ skipping 790 matching lines @@
   [view addSubview:imageView.get()];
   return imageView.get();
 }
 
 // Add a separator as a subview of the given view. Return the new view.
 - (NSView*)addSeparatorToView:(NSView*)view {
   // Take up almost the full width of the container's frame.
   CGFloat width = NSWidth([view frame]) - 2 * kFramePadding;
 
   // Use an arbitrary position; it will be adjusted in performLayout.
-  NSBox* spacer =
-      [self separatorWithFrame:NSMakeRect(kFramePadding, 0, width, 0)];
+  NSBox* spacer = [self horizontalSeparatorWithFrame:NSMakeRect(
+      kFramePadding, 0, width, 0)];
   [view addSubview:spacer];
   return spacer;
 }
 
 // Add a link button with the given text to |view|.
 - (NSButton*)addLinkButtonWithText:(NSString*)text toView:(NSView*)view {
   // Frame size is arbitrary; it will be adjusted by the layout tweaker.
   NSRect frame = NSMakeRect(kFramePadding, 0, 100, 10);
   base::scoped_nsobject<NSButton> button(
       [[NSButton alloc] initWithFrame:frame]);
@@ skipping 334 matching lines @@
   [bubble_controller_ setPermissionInfo:permission_info_list];
 }
 
 void WebsiteSettingsUIBridge::SetFirstVisit(const base::string16& first_visit) {
   [bubble_controller_ setFirstVisit:first_visit];
 }
 
 void WebsiteSettingsUIBridge::SetSelectedTab(TabId tab_id) {
   [bubble_controller_ setSelectedTab:tab_id];
 }