cocoa browser: remove remaining non-MD code

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 90 matching lines @@
   // Create a second profile, to force the button to display the profile name.
   testing_profile_manager()->CreateTestingProfile("batman");
 
   EXPECT_EQ(0, [button() image].size.width);
   [controller() setErrorStatus:true];
 
   ASSERT_FALSE([view() isHidden]);
   EXPECT_NSEQ(@"Person 1", [button() title]);
 
   // If the button has an authentication error, it should display an error
-  // icon. If in the MD, the icon size should be 16.
-  int errorWidth =
-      ui::MaterialDesignController::IsModeMaterial()
-          ? 16
-          : ui::ResourceBundle::GetSharedInstance()
-                .GetNativeImageNamed(IDR_ICON_PROFILES_AVATAR_BUTTON_ERROR)
-                .Width();
-
-  EXPECT_EQ(errorWidth, [button() image].size.width);
+  // icon.
+  EXPECT_EQ(16, [button() image].size.width);
 }
 
 TEST_F(AvatarButtonControllerTest, DoubleOpen) {
   EXPECT_FALSE([controller() menuController]);
 
   [button() performClick:button()];
 
   BaseBubbleController* menu = [controller() menuController];
   EXPECT_TRUE(menu);
   EXPECT_TRUE([menu isKindOfClass:[ProfileChooserController class]]);
@@ skipping 29 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]);
 }