Remove references to IsNewAvatarMenu since the flag was removed.

chrome/browser/ui/cocoa/profiles/avatar_button_controller_unittest.mm

 // Copyright 2014 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/profiles/avatar_button_controller.h"
 
 #include "base/command_line.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 39 matching lines @@
 - (BOOL)isCtrlPressed {
  // Always report that Cmd is not pressed since that's the case we're testing
  // and otherwise running the test while holding the Cmd key makes it fail.
  return isCtrlPressed_;
 }
 @end
 
 class AvatarButtonControllerTest : public CocoaProfileTest {
  public:
   void SetUp() override {
-    switches::EnableNewAvatarMenuForTesting(
-        base::CommandLine::ForCurrentProcess());
     DCHECK(profiles::IsMultipleProfilesEnabled());
 
     CocoaProfileTest::SetUp();
     ASSERT_TRUE(browser());
 
     controller_.reset(
         [[AvatarButtonControllerForTesting alloc] initWithBrowser:browser()]);
     [controller_ setIsCtrlPressed:false];
   }
 
@@ skipping 83 matching lines @@
   BaseBubbleController* menu = [controller() menuController];
   EXPECT_TRUE(menu);
   EXPECT_TRUE([menu isKindOfClass:[ProfileChooserController class]]);
 
   // Do not animate out because that is hard to test around.
   static_cast<InfoBubbleWindow*>(menu.window).allowedAnimations =
       info_bubble::kAnimateNone;
   [menu close];
   EXPECT_FALSE([controller() menuController]);
 }