mac: Remove IsOSSnowLeopard().

chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm

 // Copyright (c) 2012 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/browser_window_controller.h"
 
 #include <stddef.h>
 #import "base/mac/mac_util.h"
 
 #include "base/mac/sdk_forward_declarations.h"
@@ skipping 381 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowControllerTest);
 };
 
 // Tests that adding the first profile moves the Lion fullscreen button over
 // correctly.
 // DISABLED_ because it regularly times out: http://crbug.com/159002.
 IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest,
                        DISABLED_ProfileAvatarFullscreenButton) {
-  if (base::mac::IsOSSnowLeopard())
-    return;
-
   // Initialize the locals.
   ProfileManager* profile_manager = g_browser_process->profile_manager();
   ASSERT_TRUE(profile_manager);
 
   NSWindow* window = browser()->window()->GetNativeWindow();
   ASSERT_TRUE(window);
 
   // With only one profile, the fullscreen button should be visible, but the
   // avatar button should not.
   EXPECT_EQ(1u, profile_manager->GetNumberOfProfiles());
@@ skipping 302 matching lines @@
   // Toggle out and back into fullscreen and verify that the toolbar is still
   // hidden.
   ToggleFullscreenAndWaitForNotification();
   ToggleFullscreenAndWaitForNotification();
   [[controller() presentationModeController] setMenuBarRevealProgress:0.0];
   VerifyFullscreenToolbarVisibility(fullscreen_mac::OMNIBOX_TABS_HIDDEN);
 
   chrome::ExecuteCommand(browser(), IDC_TOGGLE_FULLSCREEN_TOOLBAR);
   EXPECT_TRUE(prefs->GetBoolean(prefs::kShowFullscreenToolbar));
 }