Disable ConstrainedWebDialogBrowserTest.ReleaseWebContents on Linux

TBR=sky@chromium.org


Bug: 928924
Change-Id: I71b6615a8855bbb76b0807ecd5abb6153441b9a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1892233Reviewed-by: Alice Boxhall <aboxhall@chromium.org>
Commit-Queue: Alice Boxhall <aboxhall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#711144}

chrome/browser/ui/webui/constrained_web_dialog_ui_browsertest.cc

@@ -122,8 +122,15 @@ IN_PROC_BROWSER_TEST_F(ConstrainedWebDialogBrowserTest, BasicTest) {
   EXPECT_TRUE(IsShowingWebContentsModalDialog(web_contents));
 }
 
+// TODO(https://crbug.com/1020038): Crashy on Linux
+#if defined(OS_LINUX)
+#define MAYBE_ReleaseWebContents DISABLED_ReleaseWebContents
+#else
+#define MAYBE_ReleaseWebContents ReleaseWebContents
+#endif
 // Tests that ReleaseWebContents() works.
-IN_PROC_BROWSER_TEST_F(ConstrainedWebDialogBrowserTest, ReleaseWebContents) {
+IN_PROC_BROWSER_TEST_F(ConstrainedWebDialogBrowserTest,
+                       MAYBE_ReleaseWebContents) {
   auto delegate = std::make_unique<ui::test::TestWebDialogDelegate>(
       GURL(chrome::kChromeUIConstrainedHTMLTestURL));
   WebContents* web_contents =