Disable BrowserViewTest.TabFullscreenShowTopView

This test has been flaky on Mac10.13 Tests

TBR=weili@chromium.org

Bug: 875707
Change-Id: I71e1f70fb1e7628ba810dccf603d4d58885abb9c
Reviewed-on: https://chromium-review.googlesource.com/1180798Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Kentaro Hara <haraken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584359}

chrome/browser/ui/views/frame/browser_view_interactive_uitest.cc

@@ -123,7 +123,7 @@ IN_PROC_BROWSER_TEST_F(BrowserViewTest, BrowserFullscreenShowTopView) {
 
 // Test whether the top view including toolbar and tab strip appears or hides
 // correctly in tab fullscreen mode.
-IN_PROC_BROWSER_TEST_F(BrowserViewTest, TabFullscreenShowTopView) {
+IN_PROC_BROWSER_TEST_F(BrowserViewTest, DISABLED_TabFullscreenShowTopView) {
   BrowserView* browser_view = static_cast<BrowserView*>(browser()->window());
 
   // The top view should always show up in regular mode.