Pull SecurityStateModel out into a component

chrome/browser/ui/cocoa/browser_window_cocoa.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.
 
 #include "chrome/browser/ui/cocoa/browser_window_cocoa.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #import "base/mac/sdk_forward_declarations.h"
@@ skipping 717 matching lines @@
 }
 
 void BrowserWindowCocoa::UserChangedTheme() {
   [controller_ userChangedTheme];
 }
 
 void BrowserWindowCocoa::ShowWebsiteSettings(
     Profile* profile,
     content::WebContents* web_contents,
     const GURL& url,
-    const SecurityStateModel::SecurityInfo& security_info) {
+    const security_state::SecurityStateModel::SecurityInfo& security_info) {
   WebsiteSettingsUIBridge::Show(window(), profile, web_contents, url,
                                 security_info);
 }
 
 void BrowserWindowCocoa::ShowAppMenu() {
   // No-op. Mac doesn't support showing the menus via alt keys.
 }
 
 bool BrowserWindowCocoa::PreHandleKeyboardEvent(
     const NativeWebKeyboardEvent& event, bool* is_keyboard_shortcut) {
@@ skipping 145 matching lines @@
 void BrowserWindowCocoa::UnhideDownloadShelf() {
   GetDownloadShelf()->Unhide();
 }
 
 void BrowserWindowCocoa::HideDownloadShelf() {
   GetDownloadShelf()->Hide();
   StatusBubble* statusBubble = GetStatusBubble();
   if (statusBubble)
     statusBubble->Hide();
 }