Disable NativeMessagingLaunchApiTest.InvalidConnectId on Win dbg.

TBR=dbertoni@chromium.org
BUG:1065344

Change-Id: Ib760d8263dc8cdd75c750a07770244a5e3ff779b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2124311Reviewed-by: Tim Schumann <tschumann@chromium.org>
Commit-Queue: Tim Schumann <tschumann@chromium.org>
Auto-Submit: Tim Schumann <tschumann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#753973}

chrome/browser/extensions/api/messaging/native_messaging_apitest.cc

@@ -251,7 +251,13 @@ IN_PROC_BROWSER_TEST_F(NativeMessagingLaunchApiTest, Error) {
   EXPECT_EQ("--connect-id=test-connect-id", connect_id);
 }
 
-IN_PROC_BROWSER_TEST_F(NativeMessagingLaunchApiTest, InvalidConnectId) {
+// TODO(crbug/1065344): Flaky on Win dbg.
+#if defined(OS_WIN) && !defined(NDEBUG)
+#define MAYBE_InvalidConnectId DISABLED_InvalidConnectId
+#else
+#define MAYBE_InvalidConnectId InvalidConnectId
+#endif
+IN_PROC_BROWSER_TEST_F(NativeMessagingLaunchApiTest, MAYBE_InvalidConnectId) {
   ASSERT_NO_FATAL_FAILURE(test_host_.RegisterTestHost(false));
 
   StartupBrowserCreator::ProcessCommandLineAlreadyRunning(