Remove DISABLED_ON_ macros.

webrtc/modules/utility/source/file_player_unittests.cc

Index: webrtc/modules/utility/source/file_player_unittests.cc
diff --git a/webrtc/modules/utility/source/file_player_unittests.cc b/webrtc/modules/utility/source/file_player_unittests.cc
index 754e1242d3e5fdd77afdd86c7158065c3de6d4ca..58471e5e8d084ee7f4d88181165e5f5235671776 100644
--- a/webrtc/modules/utility/source/file_player_unittests.cc
+++ b/webrtc/modules/utility/source/file_player_unittests.cc
@@ -20,7 +20,6 @@
 #include "webrtc/base/md5digest.h"
 #include "webrtc/base/stringencode.h"
 #include "webrtc/test/testsupport/fileutils.h"
-#include "webrtc/test/testsupport/gtest_disable.h"
 
 DEFINE_bool(file_player_output, false, "Generate reference files.");
 
@@ -82,7 +81,12 @@ class FilePlayerTest : public ::testing::Test {
   FILE* output_file_;
 };
 
-TEST_F(FilePlayerTest, DISABLED_ON_IOS(PlayWavPcmuFile)) {
+#if defined(WEBRTC_IOS)
+#define MAYBE_PlayWavPcmuFile DISABLED_PlayWavPcmuFile
+#else
+#define MAYBE_PlayWavPcmuFile PlayWavPcmuFile
+#endif
+TEST_F(FilePlayerTest, MAYBE_PlayWavPcmuFile) {
   const std::string kFileName =
       test::ResourcePath("utility/encapsulated_pcmu_8khz", "wav");
   // The file is longer than this, but keeping the output shorter limits the
@@ -93,7 +97,12 @@ TEST_F(FilePlayerTest, DISABLED_ON_IOS(PlayWavPcmuFile)) {
   PlayFileAndCheck(kFileName, kRefChecksum, kOutputLengthMs);
 }
 
-TEST_F(FilePlayerTest, DISABLED_ON_IOS(PlayWavPcm16File)) {
+#if defined(WEBRTC_IOS)
+#define MAYBE_PlayWavPcm16File DISABLED_PlayWavPcm16File
+#else
+#define MAYBE_PlayWavPcm16File PlayWavPcm16File
+#endif
+TEST_F(FilePlayerTest, MAYBE_PlayWavPcm16File) {
   const std::string kFileName =
       test::ResourcePath("utility/encapsulated_pcm16b_8khz", "wav");
   // The file is longer than this, but keeping the output shorter limits the