Added a policy to control the visibility of the apps shortcut.

chrome/browser/ui/views/bookmarks/bookmark_bar_view_unittest.cc

 // Copyright 2013 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/views/bookmarks/bookmark_bar_view.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/ui/app_list/app_list_util.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 #include "chrome/test/base/scoped_testing_local_state.h"
 #include "chrome/test/base/testing_browser_process.h"
+#include "chrome/test/base/testing_pref_service_syncable.h"
 #include "components/bookmarks/test/bookmark_test_helpers.h"
 #include "ui/views/controls/button/text_button.h"
 
 class BookmarkBarViewInstantExtendedTest : public BrowserWithTestWindowTest {
  public:
   BookmarkBarViewInstantExtendedTest() {
   }
 
  protected:
   virtual TestingProfile* CreateProfile() OVERRIDE {
@@ skipping 35 matching lines @@
     EXPECT_FALSE(bookmark_bar_view.apps_page_shortcut_->visible());
   } else {
     EXPECT_TRUE(bookmark_bar_view.apps_page_shortcut_->visible());
   }
 
   // Make sure we can also properly transition from true to false.
   browser()->profile()->GetPrefs()->SetBoolean(
       prefs::kShowAppsShortcutInBookmarkBar, false);
   EXPECT_FALSE(bookmark_bar_view.apps_page_shortcut_->visible());
 }
+
+// Verifies that the apps shortcut is shown or hidden following the policy
+// value.
+TEST_F(BookmarkBarViewInstantExtendedTest,

[sky, 2014/06/03 16:15:07]

Your test has nothing to do with instant, so making it part
BookmarkBarViewInstantExtendedTest is confusing. Can you use
BrowserWithTestWindowTest directly and name the test more appropriately. I'm
fine with a generic BookmarkBarViewTest if you want.

[Joao da Silva, 2014/06/03 22:20:52]

Done.

+       ManagedShowAppsShortcutInBookmarksBar) {
+  ScopedTestingLocalState local_state(TestingBrowserProcess::GetGlobal());
+  profile()->CreateBookmarkModel(true);
+  test::WaitForBookmarkModelToLoad(
+      BookmarkModelFactory::GetForProfile(profile()));
+  BookmarkBarView bookmark_bar_view(browser(), NULL);
+  bookmark_bar_view.set_owned_by_client();
+
+  // By default the pref is not managed and the apps shortcut is shown.
+  TestingPrefServiceSyncable* prefs = profile()->GetTestingPrefService();
+  EXPECT_FALSE(
+      prefs->IsManagedPreference(prefs::kShowAppsShortcutInBookmarkBar));
+  EXPECT_TRUE(bookmark_bar_view.apps_page_shortcut_->visible());
+
+  // Hide the apps shortcut by policy, via the managed pref.
+  prefs->SetManagedPref(prefs::kShowAppsShortcutInBookmarkBar,
+                        new base::FundamentalValue(false));
+  EXPECT_FALSE(bookmark_bar_view.apps_page_shortcut_->visible());
+
+  // And try showing it via policy too.
+  prefs->SetManagedPref(prefs::kShowAppsShortcutInBookmarkBar,
+                        new base::FundamentalValue(true));
+  EXPECT_TRUE(bookmark_bar_view.apps_page_shortcut_->visible());
+}