Move ui_test_utils::CrashTab to browser_test_utils so that it can be reused by content_browsertests.

chrome/browser/extensions/isolated_app_browsertest.cc

 // 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 "base/utf_string_conversions.h"
 #include "chrome/browser/automation/automation_util.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 152 matching lines @@
   EXPECT_FALSE(HasCookie(tab3, "app2"));
 
   // Check that the non_app iframe cookie is associated with app1 and not the
   // normal tab.  (For now, iframes are always rendered in their parent
   // process, even if they aren't in the app manifest.)
   EXPECT_TRUE(HasCookie(tab1, "nonAppFrame=6"));
   EXPECT_FALSE(HasCookie(tab3, "nonAppFrame"));
 
   // Check that isolation persists even if the tab crashes and is reloaded.
   chrome::SelectNumberedTab(browser(), 0);
-  ui_test_utils::CrashTab(tab1);
+  content::CrashTab(tab1);
   content::WindowedNotificationObserver observer(
       content::NOTIFICATION_LOAD_STOP,
       content::Source<NavigationController>(
           &chrome::GetActiveWebContents(browser())->GetController()));
   chrome::Reload(browser(), CURRENT_TAB);
   observer.Wait();
   EXPECT_TRUE(HasCookie(tab1, "app1=3"));
   EXPECT_FALSE(HasCookie(tab1, "app2"));
   EXPECT_FALSE(HasCookie(tab1, "normalPage"));
 
@@ skipping 113 matching lines @@
             chrome::GetWebContentsAt(browser(), 2)->GetRenderProcessHost()->GetID());
   EXPECT_NE(process_id_0,
             chrome::GetWebContentsAt(browser(), 3)->GetRenderProcessHost()->GetID());
 
   // Navigating the second tab out of the app should cause a process swap.
   const GURL& non_app_url(base_url.Resolve("non_app/main.html"));
   NavigateInRenderer(chrome::GetWebContentsAt(browser(), 1), non_app_url);
   EXPECT_NE(process_id_1,
             chrome::GetWebContentsAt(browser(), 1)->GetRenderProcessHost()->GetID());
 }