Temporary disable WebContentsImplBrowserTest.PropagateFullscreenOptions.

This test is flaky.

Bug: 1154612
Change-Id: Ic91eb710a08f57f6d51b192ede05371012436ac8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2574941Reviewed-by: Nasko Oskov <nasko@chromium.org>
Commit-Queue: Nasko Oskov <nasko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#834260}

content/browser/web_contents/web_contents_impl_browsertest.cc

@@ -3522,7 +3522,9 @@ IN_PROC_BROWSER_TEST_F(WebContentsImplBrowserTest,
   EXPECT_EQ(main_frame, web_contents->current_fullscreen_frame_);
 }
 
-IN_PROC_BROWSER_TEST_F(WebContentsImplBrowserTest, PropagateFullscreenOptions) {
+// Disabled due to flakiness: https://crbug.com/1154612.
+IN_PROC_BROWSER_TEST_F(WebContentsImplBrowserTest,
+                       DISABLED_PropagateFullscreenOptions) {
   ASSERT_TRUE(embedded_test_server()->Start());
   WebContentsImpl* web_contents =
       static_cast<WebContentsImpl*>(shell()->web_contents());