Remove DISABLED_ON_ macros.

webrtc/modules/video_processing/test/content_metrics_test.cc

Index: webrtc/modules/video_processing/test/content_metrics_test.cc
diff --git a/webrtc/modules/video_processing/test/content_metrics_test.cc b/webrtc/modules/video_processing/test/content_metrics_test.cc
index a676982584ce8d5c22207ec6d452e0a599e5089a..782f9cff596ff4edcab831450ebfef5cd5e42a7c 100644
--- a/webrtc/modules/video_processing/test/content_metrics_test.cc
+++ b/webrtc/modules/video_processing/test/content_metrics_test.cc
@@ -12,11 +12,14 @@
 #include "webrtc/modules/video_processing/include/video_processing.h"
 #include "webrtc/modules/video_processing/content_analysis.h"
 #include "webrtc/modules/video_processing/test/video_processing_unittest.h"
-#include "webrtc/test/testsupport/gtest_disable.h"
 
 namespace webrtc {
 
-TEST_F(VideoProcessingTest, DISABLED_ON_IOS(ContentAnalysis)) {
+#if defined(WEBRTC_IOS)
+TEST_F(VideoProcessingTest, DISABLED_ContentAnalysis) {
+#else
+TEST_F(VideoProcessingTest, ContentAnalysis) {
+#endif
   VPMContentAnalysis ca__c(false);
   VPMContentAnalysis ca__sse(true);
   VideoContentMetrics* _cM_c;