[Mac] Update the Text Color for the Avatar Button

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

Index: chrome/browser/ui/cocoa/profiles/avatar_button_controller_unittest.mm
diff --git a/chrome/browser/ui/cocoa/profiles/avatar_button_controller_unittest.mm b/chrome/browser/ui/cocoa/profiles/avatar_button_controller_unittest.mm
index 8e7d6d3abc3e4d060edd9372135010e0fd2a131f..a3f702c623514cd0edcc42759aff9278f8e9f898 100644
--- a/chrome/browser/ui/cocoa/profiles/avatar_button_controller_unittest.mm
+++ b/chrome/browser/ui/cocoa/profiles/avatar_button_controller_unittest.mm
@@ -38,7 +38,7 @@ class AvatarButtonControllerTest : public CocoaProfileTest {
     ASSERT_TRUE(browser());
 
     controller_.reset(
-        [[AvatarButtonController alloc] initWithBrowser:browser()]);
+        [[AvatarButtonController alloc] initWithBrowser:browser() window:nil]);
   }
 
   void TearDown() override {