GN: Add video_capture_tests for Mac

webrtc/modules/video_capture/BUILD.gn

Index: webrtc/modules/video_capture/BUILD.gn
diff --git a/webrtc/modules/video_capture/BUILD.gn b/webrtc/modules/video_capture/BUILD.gn
index 3df74b62e13355dd8b5cc7de5c4c2a6faef8b147..5cd06c611770cf96975fc1e8f409b9c1d28c81bf 100644
--- a/webrtc/modules/video_capture/BUILD.gn
+++ b/webrtc/modules/video_capture/BUILD.gn
@@ -106,6 +106,11 @@ if (!build_with_chromium) {
       ]
 
       libs = [
+        # For NSAlert in video_capture_qtkit_info_objc.mm.
+        "Cocoa.framework",
+
+        # For GetGestalt in video_capture_mac.mm.
+        "CoreServices.framework",
         "CoreVideo.framework",
         "QTKit.framework",
       ]
@@ -165,8 +170,7 @@ if (!build_with_chromium) {
     }
   }
 
-  # TODO(mflodman): Change to "if (!is_android)" when tests are working on Mac
-  if (is_linux && rtc_include_tests) {
+  if (!is_android && rtc_include_tests) {
     test("video_capture_tests") {
       sources = [
         "test/video_capture_main_mac.mm",
@@ -196,16 +200,17 @@ if (!build_with_chromium) {
       deps = [
         ":video_capture_internal_impl",
         ":video_capture_module",
-        "//webrtc/modules/utility",
-        "//webrtc/system_wrappers",
-        "//webrtc/test:video_test_common",
+        "../../system_wrappers:system_wrappers_default",
+        "../../test:video_test_common",
+        "../utility",
+        "//testing/gtest",
       ]
-      if (!is_mac) {
+      if (is_mac) {
+        deps += [ "//webrtc/test:test_support_main_threaded_mac" ]
+      } else {
         deps += [ "//webrtc/test:test_support_main" ]
       }
 
-      # TODO(mflodman): Add Mac dependencies / xcode_settings.
-
       if (is_clang) {
         # Suppress warnings from Chrome's Clang plugins.
         # See http://code.google.com/p/webrtc/issues/detail?id=163 for details.