Disable flaky SingleProcessTracingBrowserTest TestMemoryInfra on Linux.

chrome/test/base/tracing_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/test/base/tracing.h"
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 153 matching lines @@
 }
 
 // Multi-process mode.
 // Flaky on win and Linux: https://crbug.com/594884.
 IN_PROC_BROWSER_TEST_F(TracingBrowserTest, DISABLED_TestMemoryInfra) {
   PerformDumpMemoryTestActions();
 }
 
 // Single-process mode.
 // Flaky (leaking) on linux_chromium_asan_rel_ng: https://crbug.com/585026
-// and Windows https://crbug.com/594884
-#if defined(ADDRESS_SANITIZER) || defined(OS_WIN)
+// and Linux/Windows: https://crbug.com/594884
+#if defined(ADDRESS_SANITIZER) || defined(OS_WIN) || defined(OS_LINUX)
 #define MAYBE_TestMemoryInfra DISABLED_TestMemoryInfra
 #else
 #define MAYBE_TestMemoryInfra TestMemoryInfra
 #endif
 IN_PROC_BROWSER_TEST_F(SingleProcessTracingBrowserTest, MAYBE_TestMemoryInfra) {
   PerformDumpMemoryTestActions();
 }
 
 }  // namespace