Disable flaky test LoadTimingBrowserTest.HTTPS.

TBR=mmenke@chromium.org

Bug: 1128033
Change-Id: I26c0756586cc484c50e6ec1cb886ac2c4b8acb8b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2494865Reviewed-by: Bret Sepulveda <bsep@chromium.org>
Commit-Queue: Bret Sepulveda <bsep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#820217}

chrome/browser/net/load_timing_browsertest.cc

@@ -131,7 +131,13 @@ IN_PROC_BROWSER_TEST_F(LoadTimingBrowserTest, HTTP) {
   EXPECT_EQ(navigation_deltas.ssl_start, -1);
 }
 
-IN_PROC_BROWSER_TEST_F(LoadTimingBrowserTest, HTTPS) {
+// TODO(crbug.com/1128033): Flaky on Windows and Linux.
+#if defined(OS_WIN) || defined(OS_LINUX)
+#define MAYBE_HTTPS DISABLED_HTTPS
+#else
+#define MAYBE_HTTPS HTTPS
+#endif
+IN_PROC_BROWSER_TEST_F(LoadTimingBrowserTest, MAYBE_HTTPS) {
   net::EmbeddedTestServer https_server(net::EmbeddedTestServer::TYPE_HTTPS);
   https_server.AddDefaultHandlers();
   ASSERT_TRUE(https_server.Start());