Remove references to IsNewAvatarMenu since the flag was removed.

chrome/browser/ui/cocoa/bookmarks/bookmark_sync_promo_controller_unittest.mm

-// 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.
-
-#import "chrome/browser/ui/cocoa/bookmarks/bookmark_sync_promo_controller.h"
-
-#import <Cocoa/Cocoa.h>
-
-#include "base/basictypes.h"
-#include "base/command_line.h"
-#include "base/mac/scoped_nsobject.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/test_extension_system.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/test/base/browser_with_test_window_test.h"
-#include "components/signin/core/common/profile_management_switches.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class BookmarkSyncPromoControllerTest : public BrowserWithTestWindowTest {
- public:
-  void SetUp() override {
-    switches::DisableNewAvatarMenuForTesting(
-        base::CommandLine::ForCurrentProcess());
-    BrowserWithTestWindowTest::SetUp();
-    ASSERT_TRUE(profile());
-    // Adds TestExtensionSystem, since signin uses the gaia auth extension.
-    static_cast<extensions::TestExtensionSystem*>(
-        extensions::ExtensionSystem::Get(profile()))
-        ->CreateExtensionService(base::CommandLine::ForCurrentProcess(),
-                                 base::FilePath(), false);
-  }
-};
-
-TEST_F(BookmarkSyncPromoControllerTest, SignInLink) {
-  int starting_tab_count = browser()->tab_strip_model()->count();
-
-  base::scoped_nsobject<BookmarkSyncPromoController> syncPromo(
-      [[BookmarkSyncPromoController alloc] initWithBrowser:browser()]);
-
-  // Simulate clicking the "Sign in" link.
-  [syncPromo textView:nil clickedOnLink:nil atIndex:0u];
-
-  // A new tab should have been opened.
-  int tab_count = browser()->tab_strip_model()->count();
-  EXPECT_EQ(starting_tab_count + 1, tab_count);
-}
-
-}  // namespace