Move Cocoa Page Info UI code to its own folder.

chrome/browser/ui/cocoa/page_info/website_settings_utils_cocoa.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.
 
-#include "chrome/browser/ui/cocoa/website_settings/website_settings_utils_cocoa.h"
+#include "chrome/browser/ui/cocoa/page_info/website_settings_utils_cocoa.h"
 
 namespace {
 // The amount of horizontal space between the button's title and its arrow icon.
 const CGFloat kButtonTitleRightPadding = 4.0f;
 }
 
 // Determine the size of a popup button with the given title.
 NSSize SizeForWebsiteSettingsButtonTitle(NSPopUpButton* button,
                                          NSString* title) {
   NSDictionary* textAttributes =
       [[button attributedTitle] attributesAtIndex:0 effectiveRange:NULL];
   NSSize titleSize = [title sizeWithAttributes:textAttributes];
 
   NSRect frame = [button frame];
   NSRect titleRect = [[button cell] titleRectForBounds:frame];
   CGFloat width = titleSize.width + NSWidth(frame) - NSWidth(titleRect);
 
   return NSMakeSize(width + kButtonTitleRightPadding, NSHeight(frame));
 }