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

chrome/browser/extensions/app_process_apitest.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 "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/process_map.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 559 matching lines @@
   EXPECT_TRUE(process_map->Contains(
       contents->GetRenderProcessHost()->GetID()));
   bool is_installed = false;
   ASSERT_TRUE(content::ExecuteJavaScriptAndExtractBool(
       contents->GetRenderViewHost(), L"",
       L"window.domAutomationController.send(chrome.app.isInstalled)",
       &is_installed));
   ASSERT_TRUE(is_installed);
 
   // Crash the tab and reload it, chrome.app.isInstalled should still be true.
-  ui_test_utils::CrashTab(chrome::GetActiveWebContents(browser()));
+  content::CrashTab(chrome::GetActiveWebContents(browser()));
   content::WindowedNotificationObserver observer(
       content::NOTIFICATION_LOAD_STOP,
       content::Source<NavigationController>(
           &chrome::GetActiveWebContents(browser())->GetController()));
   chrome::Reload(browser(), CURRENT_TAB);
   observer.Wait();
   ASSERT_TRUE(content::ExecuteJavaScriptAndExtractBool(
       contents->GetRenderViewHost(), L"",
       L"window.domAutomationController.send(chrome.app.isInstalled)",
       &is_installed));
   ASSERT_TRUE(is_installed);
 }