MacViews: Fix browser_tests compilation.

chrome/browser/ui/BUILD.gn

 # 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("//build/config/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 3370 matching lines @@
     "//ui/base",
     "//ui/gfx:test_support",
     "//ui/shell_dialogs",
   ]
 
   if (toolkit_views && (!is_mac || mac_views_browser)) {
     sources += [
       "views/find_bar_host_unittest_util_views.cc",
       "views/toolbar/browser_action_test_util_views.cc",
     ]
-    deps += [ "//ui/aura" ]
+    if (!is_mac) {
+      deps += [ "//ui/aura" ]
+    }
   } else {
     sources += [
       "cocoa/extensions/browser_action_test_util_mac.mm",
       "cocoa/find_bar/find_bar_host_unittest_util_cocoa.mm",
     ]
   }
 
   if (is_android) {
     sources -= [
       "exclusive_access/fullscreen_controller_state_test.cc",
@@ skipping 13 matching lines @@
       "passwords/passwords_model_delegate_mock.cc",
       "passwords/passwords_model_delegate_mock.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }