Disable flaky tests on Mac: PlatformChannelPairPosixTest.SendReceiveFDs and PipeCount/MultiprocessM…

third_party/mojo/src/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc

Index: third_party/mojo/src/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc
diff --git a/third_party/mojo/src/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc b/third_party/mojo/src/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc
index 56540d79c106a835d349d29fbac2e6670b14b8dc..5ac8ef8660d16b9eef4c9a66b0ceefa158198f91 100644
--- a/third_party/mojo/src/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc
+++ b/third_party/mojo/src/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc
@@ -127,7 +127,13 @@ TEST_F(PlatformChannelPairPosixTest, SendReceiveData) {
   }
 }
 
-TEST_F(PlatformChannelPairPosixTest, SendReceiveFDs) {
+#if defined(OS_MACOSX)
+// http://crbug.com/488258
+#define MAYBE_SendReceiveFDs DISABLED_SendReceiveFDs
+#else
+#define MAYBE_SendReceiveFDs SendReceiveFDs
+#endif
+TEST_F(PlatformChannelPairPosixTest, MAYBE_SendReceiveFDs) {
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());