Disable flaky TracingBrowserTest.TestMemoryInfra on mac/asan.

chrome/test/base/tracing_browsertest.cc

Index: chrome/test/base/tracing_browsertest.cc
diff --git a/chrome/test/base/tracing_browsertest.cc b/chrome/test/base/tracing_browsertest.cc
index eae1cd38718054aaef35ca6b6b2aec56c6e1e035..5347d14333a0b8a58bfb0deee8214f5802111691 100644
--- a/chrome/test/base/tracing_browsertest.cc
+++ b/chrome/test/base/tracing_browsertest.cc
@@ -101,7 +101,13 @@ class TracingBrowserTest : public InProcessBrowserTest {
   }
 };
 
-IN_PROC_BROWSER_TEST_F(TracingBrowserTest, TestMemoryInfra) {
+// crbug.com/708487.
+#if defined(OS_MACOSX) && defined(ADDRESS_SANITIZER)
+#define MAYBE_TestMemoryInfra DISABLED_TestMemoryInfra
+#else
+#define MAYBE_TestMemoryInfra TestMemoryInfra
+#endif  // defined(OS_MACOSX) && defined(ADDRESS_SANITIZER)
+IN_PROC_BROWSER_TEST_F(TracingBrowserTest, MAYBE_TestMemoryInfra) {
   PerformDumpMemoryTestActions(
       base::trace_event::TraceConfig(
           base::trace_event::TraceConfigMemoryTestUtil::