Remove DISABLED_ON_ macros.

webrtc/modules/audio_processing/vad/standalone_vad_unittest.cc

Index: webrtc/modules/audio_processing/vad/standalone_vad_unittest.cc
diff --git a/webrtc/modules/audio_processing/vad/standalone_vad_unittest.cc b/webrtc/modules/audio_processing/vad/standalone_vad_unittest.cc
index 5462d05d373ca26aa01df7a58f1d46e4d7c849e1..1d1dcc70662db94b3cd0fc9ebbdd4df10e2e594b 100644
--- a/webrtc/modules/audio_processing/vad/standalone_vad_unittest.cc
+++ b/webrtc/modules/audio_processing/vad/standalone_vad_unittest.cc
@@ -16,7 +16,6 @@
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/test/testsupport/fileutils.h"
-#include "webrtc/test/testsupport/gtest_disable.h"
 
 namespace webrtc {
 
@@ -55,7 +54,11 @@ TEST(StandaloneVadTest, Api) {
   EXPECT_EQ(kMode, vad->mode());
 }
 
-TEST(StandaloneVadTest, DISABLED_ON_IOS(ActivityDetection)) {
+#if defined(WEBRTC_IOS)
+TEST(StandaloneVadTest, DISABLED_ActivityDetection) {
+#else
+TEST(StandaloneVadTest, ActivityDetection) {
+#endif
   rtc::scoped_ptr<StandaloneVad> vad(StandaloneVad::Create());
   const size_t kDataLength = kLength10Ms;
   int16_t data[kDataLength] = {0};