Disable browser_tests TracingBrowserTest.Test{Background,}MemoryInfra

This was previously disabled for macOS with AddressSanitizer in
7a1f2e12, but has shown itself to be flaky on
https://build.chromium.org/p/chromium.win/builders/Win7%20Tests%20(dbg)(1)
as well, so it should be disabled everywhere.

Bug: 708487
Change-Id: Idd3382b0a0bb6396a608f3c3f896a26c6fc8f6b8
TBR: primiano@chromium.org
NoTry: true
NoPresubmit: true
Reviewed-on: https://chromium-review.googlesource.com/568376
Commit-Queue: Mark Mentovai <mark@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#486026}

chrome/test/base/tracing_browsertest.cc

@@ -101,13 +101,8 @@ class TracingBrowserTest : public InProcessBrowserTest {
   }
 };
 
-// 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) {
+// crbug.com/708487
+IN_PROC_BROWSER_TEST_F(TracingBrowserTest, DISABLED_TestMemoryInfra) {
   PerformDumpMemoryTestActions(
       base::trace_event::TraceConfig(
           base::trace_event::TraceConfigMemoryTestUtil::
@@ -115,13 +110,8 @@ IN_PROC_BROWSER_TEST_F(TracingBrowserTest, MAYBE_TestMemoryInfra) {
       base::trace_event::MemoryDumpLevelOfDetail::DETAILED);
 }
 
-// crbug.com/708487.
-#if defined(OS_MACOSX) && defined(ADDRESS_SANITIZER)
-#define MAYBE_TestBackgroundMemoryInfra DISABLED_TestBackgroundMemoryInfra
-#else
-#define MAYBE_TestBackgroundMemoryInfra TestBackgroundMemoryInfra
-#endif  // defined(OS_MACOSX) && defined(ADDRESS_SANITIZER)
-IN_PROC_BROWSER_TEST_F(TracingBrowserTest, MAYBE_TestBackgroundMemoryInfra) {
+// crbug.com/708487
+IN_PROC_BROWSER_TEST_F(TracingBrowserTest, DISABLED_TestBackgroundMemoryInfra) {
   PerformDumpMemoryTestActions(
       base::trace_event::TraceConfig(
           base::trace_event::TraceConfigMemoryTestUtil::