Mark MediaAppTest.InitializeRenderer_Success as Flaky on Linux

media/mojo/services/media_apptest.cc

Index: media/mojo/services/media_apptest.cc
diff --git a/media/mojo/services/media_apptest.cc b/media/mojo/services/media_apptest.cc
index 27d68cc6e280309774bb6ca4842be6f90807982e..4e70db8c1fd1236bb291128da1bcdc52ab72eaf4 100644
--- a/media/mojo/services/media_apptest.cc
+++ b/media/mojo/services/media_apptest.cc
@@ -143,7 +143,14 @@ TEST_F(MediaAppTest, InitializeCdm_InvalidKeySystem) {
   run_loop_->Run();
 }
 
-TEST_F(MediaAppTest, InitializeRenderer_Success) {
+// Sometimes fails on Linux. http://crbug.com/594977
+#if defined(OS_LINUX)
+#define MAYBE_InitializeRenderer_Success DISABLED_InitializeRenderer_Success
+#else
+#define MAYBE_InitializeRenderer_Success InitializeRenderer_Success
+#endif
+
+TEST_F(MediaAppTest, MAYBE_InitializeRenderer_Success) {
   InitializeRenderer(TestVideoConfig::Normal(), true);
   run_loop_->Run();
 }