Disable SystemMetrics2Test.GetSystemMemoryInfo on ChromeOS

TBR=kylechar@chromium.org,agawronska@chromium.org

Bug: 1048073
Change-Id: Ie3822f2e9be287f31222fc24b0010d97ae799b04
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2033516Reviewed-by: Marc Treib <treib@chromium.org>
Commit-Queue: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737729}

base/process/process_metrics_unittest.cc

@@ -417,7 +417,13 @@ TEST_F(SystemMetricsTest, ParseZramStat) {
 
 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX) || \
     defined(OS_ANDROID)
-TEST(SystemMetrics2Test, GetSystemMemoryInfo) {
+// Failing on ChromeOS, crbug.com/1048073
+#if defined(OS_CHROMEOS)
+#define MAYBE_GetSystemMemoryInfo DISABLED_GetSystemMemoryInfo
+#else
+#define MAYBE_GetSystemMemoryInfo GetSystemMemoryInfo
+#endif
+TEST(SystemMetrics2Test, MAYBE_GetSystemMemoryInfo) {
   SystemMemoryInfoKB info;
   EXPECT_TRUE(GetSystemMemoryInfo(&info));