Sheriff: Disable UpdateMaxSize on Linux

Bug: 1002489
Change-Id: Ie9891d5924601429b4a966ea229a6b7c280a0ef4
Tbr: beaufort.francois@gmail.com
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1795845Reviewed-by: Adithya Srinivasan <adithyas@chromium.org>
Commit-Queue: Adithya Srinivasan <adithyas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695140}

chrome/browser/picture_in_picture/picture_in_picture_window_controller_browsertest.cc

@@ -2996,8 +2996,14 @@ IN_PROC_BROWSER_TEST_F(PictureInPictureWindowControllerBrowserTest,
   ExpectLeavePictureInPicture(active_web_contents);
 }
 
+// TODO(crbug.com/1002489): Test is flaky on Linux.
+#if defined(OS_LINUX)
+#define MAYBE_UpdateMaxSize DISABLED_UpdateMaxSize
+#else
+#define MAYBE_UpdateMaxSize UpdateMaxSize
+#endif
 IN_PROC_BROWSER_TEST_F(PictureInPictureWindowControllerBrowserTest,
-                       UpdateMaxSize) {
+                       MAYBE_UpdateMaxSize) {
   LoadTabAndEnterPictureInPicture(
       browser(), base::FilePath(kPictureInPictureWindowSizePage));