Put "make this my home page" link into the tip section....

chrome/browser/dom_ui/new_tab_ui_uitest.cc

 // Copyright (c) 2009 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/test/ui/ui_test.h"
 
 #include "base/file_path.h"
 #include "chrome/app/chrome_dll_resource.h"
 #include "chrome/browser/dom_ui/new_tab_ui.h"
 #include "chrome/common/pref_names.h"
@@ skipping 112 matching lines @@
   browser->RunCommand(IDC_NEW_TAB);
   ASSERT_TRUE(browser->GetTabCount(&tab_count));
   ASSERT_EQ(2, tab_count);
   int load_time;
   ASSERT_TRUE(automation()->WaitForInitialNewTabUILoad(&load_time));
 
   scoped_refptr<TabProxy> tab = browser->GetActiveTab();
 
   // TODO(arv): Extract common patterns for doing js testing.
 
-  // Fire click
+  // Fire click. Because tip service is turned off for testing, we first
+  // force the "make this my home page" tip to appear.
   // TODO(arv): Find screen position of element and use a lower level click
   // emulation.
   bool result;
   ASSERT_TRUE(tab->ExecuteAndExtractBool(L"",
     L"window.domAutomationController.send("
     L"(function() {"
+    L"  tipCache = [{\"set_homepage_tip\":\"Make this the home page\"}];"
+    L"  renderTip();"
     L"  var e = document.createEvent('Event');"
     L"  e.initEvent('click', true, true);"
-    L"  var el = document.querySelector('#set-as-home-page > *');"
+    L"  var el = document.querySelector('#tip-line > button');"
     L"  el.dispatchEvent(e);"
     L"  return true;"
     L"})()"
     L")",
     &result));
   ASSERT_TRUE(result);
 
-  // Make sure set as home page element is hidden.
-  std::wstring style_display;
+  // Make sure text of "set as home page" tip has been removed.
+  std::wstring tip_text_content;
   ASSERT_TRUE(tab->ExecuteAndExtractString(L"",
     L"window.domAutomationController.send("
     L"(function() {"
-    L"  var el = document.querySelector('#set-as-home-page');"
-    L"  return el.style.display;"
+    L"  var el = document.querySelector('#tip-line');"
+    L"  return el.textContent;"
     L"})()"
     L")",
-    &style_display));
-  ASSERT_EQ(L"none", style_display);
+    &tip_text_content));
+  ASSERT_EQ(L"", tip_text_content);
 
   // Make sure that the notification is visible
   bool has_class;
   ASSERT_TRUE(tab->ExecuteAndExtractBool(L"",
     L"window.domAutomationController.send("
     L"(function() {"
     L"  var el = document.querySelector('#notification');"
     L"  return hasClass(el, 'show');"
     L"})()"
     L")",
     &has_class));
   ASSERT_TRUE(has_class);
 
   bool is_home_page;
   ASSERT_TRUE(browser->GetBooleanPreference(prefs::kHomePageIsNewTabPage,
               &is_home_page));
   ASSERT_TRUE(is_home_page);
 }