components: Create web_modal component.

chrome/browser/ui/cocoa/content_settings/collected_cookies_mac_browsertest.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/content_settings/collected_cookies_mac.h"
 
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/browser/ui/web_contents_modal_dialog_manager.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/test/test_utils.h"
 
+using web_modal::WebContentsModalDialogManager;
+
 typedef InProcessBrowserTest CollectedCookiesMacTest;
 
 IN_PROC_BROWSER_TEST_F(CollectedCookiesMacTest, Close) {
   content::WebContents* web_contents =
       browser()->tab_strip_model()->GetActiveWebContents();
   WebContentsModalDialogManager* web_contents_modal_dialog_manager =
       WebContentsModalDialogManager::FromWebContents(web_contents);
   EXPECT_FALSE(web_contents_modal_dialog_manager->IsShowingDialog());
 
   // Deletes itself.
@@ skipping 21 matching lines @@
   EXPECT_TRUE([sheet_controller infoBarIcon]);
   EXPECT_TRUE([sheet_controller infoBarText]);
   EXPECT_TRUE([sheet_controller tabView]);
   EXPECT_TRUE([sheet_controller blockedScrollView]);
   EXPECT_TRUE([sheet_controller blockedCookiesText]);
   EXPECT_TRUE([sheet_controller cookieDetailsViewPlaceholder]);
 
   [sheet_controller closeSheet:nil];
   content::RunAllPendingInMessageLoop();
 }