Remove references to IsNewAvatarMenu since the flag was removed.

chrome/browser/ui/cocoa/cocoa_profile_test.h

Index: chrome/browser/ui/cocoa/cocoa_profile_test.h
diff --git a/chrome/browser/ui/cocoa/cocoa_profile_test.h b/chrome/browser/ui/cocoa/cocoa_profile_test.h
index 99a46640102fc91f5ffdf24056d3814e5711982e..9c3b35a936dcd575fc5f269d4bf461c5be32e5d0 100644
--- a/chrome/browser/ui/cocoa/cocoa_profile_test.h
+++ b/chrome/browser/ui/cocoa/cocoa_profile_test.h
@@ -33,6 +33,7 @@ class TestingProfile;
 class CocoaProfileTest : public CocoaTest {
  public:
   CocoaProfileTest();
+  CocoaProfileTest(bool incognito);
   ~CocoaProfileTest() override;
 
   // This constructs a a Browser and a TestingProfile. It is guaranteed to
@@ -72,6 +73,7 @@ class CocoaProfileTest : public CocoaTest {
   TestingProfile* profile_;  // Weak; owned by profile_manager_.
   TestingProfile::TestingFactories testing_factories_;
   scoped_ptr<Browser> browser_;
+  bool incognito_;
 
   scoped_ptr<content::TestBrowserThreadBundle> thread_bundle_;
 };