Add unittests for CursorRendererMac

content/test/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/chrome_build.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 1619 matching lines @@
       "../renderer/media/video_track_to_pepper_adapter_unittest.cc",
     ]
   }
 
   # Screen capture unit tests.
   if (is_linux || is_mac || is_win) {
     sources += [ "../browser/media/capture/web_contents_video_capture_device_unittest.cc" ]
     if (use_aura) {
       sources += [ "../browser/media/capture/cursor_renderer_aura_unittest.cc" ]
     }
+    if (is_mac) {
+      sources += [ "../browser/media/capture/cursor_renderer_mac_unittest.mm" ]
+    }
     if (is_chromeos) {
       sources +=
           [ "../browser/media/capture/desktop_capture_device_aura_unittest.cc" ]
     }
   }
 
   if (is_linux) {
     if (use_dbus) {
       deps += [ "//dbus:test_support" ]
     }
@@ skipping 147 matching lines @@
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }