Disable 2 TaskManagerBrowserTests when MSan is enabled

They are taking too long to run and timeout when run with MSan.

TBR=jam@chromium.org

Bug: 890313
Change-Id: Ib7d1f3d6edcb62adcddbc54a0c636a9aae37d002
Reviewed-on: https://chromium-review.googlesource.com/1251453Reviewed-by: François Doray <fdoray@chromium.org>
Commit-Queue: François Doray <fdoray@chromium.org>
Cr-Commit-Position: refs/heads/master@{#595120}

chrome/browser/task_manager/task_manager_browsertest.cc

@@ -677,7 +677,13 @@ IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, JSHeapMemory) {
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(1, MatchTab("title1.html")));
 }
 
-IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, SentDataObserved) {
+#if defined(MEMORY_SANITIZER)
+// This tests times out when MSan is enabled. See https://crbug.com/890313.
+#define MAYBE_SentDataObserved DISABLED_SentDataObserved
+#else
+#define MAYBE_SentDataObserved SentDataObserved
+#endif
+IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, MAYBE_SentDataObserved) {
   ShowTaskManager();
   GURL test_gurl = embedded_test_server()->GetURL("/title1.html");
 
@@ -709,7 +715,13 @@ IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, SentDataObserved) {
             model()->GetColumnValue(ColumnSpecifier::TOTAL_NETWORK_USE, 0));
 }
 
-IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, TotalSentDataObserved) {
+#if defined(MEMORY_SANITIZER)
+// This tests times out when MSan is enabled. See https://crbug.com/890313.
+#define MAYBE_TotalSentDataObserved DISABLED_TotalSentDataObserved
+#else
+#define MAYBE_TotalSentDataObserved TotalSentDataObserved
+#endif
+IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, MAYBE_TotalSentDataObserved) {
   ShowTaskManager();
   GURL test_gurl = embedded_test_server()->GetURL("/title1.html");