Disabled flaky AutomationApiTest.GetTreeByTabId test.

This test seems to be flaky on some bots and consistently failing on
chromeos.

BUG=379927
TBR=aboxhall@chromium.org

Review URL: https://codereview.chromium.org/308793014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274344 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/api/automation/automation_apitest.cc

@@ -92,7 +92,8 @@ IN_PROC_BROWSER_TEST_F(AutomationApiTest, SanityCheck) {
       << message_;
 }
 
-IN_PROC_BROWSER_TEST_F(AutomationApiTest, GetTreeByTabId) {
+// Test is failing on ASAN bots, crbug.com/379927
+IN_PROC_BROWSER_TEST_F(AutomationApiTest, DISABLED_GetTreeByTabId) {
   StartEmbeddedTestServer();
   ASSERT_TRUE(RunExtensionSubtest("automation/tests/tabs", "tab_id.html"))
       << message_;