Disable BrowserWindowControllerTest.ZOrderPresentationMode

chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 
 #import "base/mac/mac_util.h"
 #include "base/run_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/api/infobars/confirm_infobar_delegate.h"
@@ skipping 253 matching lines @@
   view_list.push_back(VIEW_ID_TOOLBAR);
   view_list.push_back(VIEW_ID_INFO_BAR);
   view_list.push_back(VIEW_ID_TAB_CONTENT_AREA);
   view_list.push_back(VIEW_ID_FIND_BAR);
   view_list.push_back(VIEW_ID_DOWNLOAD_SHELF);
   VerifyZOrder(view_list);
 }
 
 // Verify that in non-instant presentation mode that the info bar is below the
 // content are and everything else is above it.
-IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest, ZOrderPresentationMode) {
+// DISABLED due to flaky failures on trybots. http://crbug.com/178778
+IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest,
+                       DISABLED_ZOrderPresentationMode) {
   chrome::ToggleFullscreenMode(browser());
   browser()->GetFindBarController();  // add find bar
 
   std::vector<ViewID> view_list;
   view_list.push_back(VIEW_ID_INFO_BAR);
   view_list.push_back(VIEW_ID_TAB_CONTENT_AREA);
   view_list.push_back(VIEW_ID_FULLSCREEN_FLOATING_BAR);
   view_list.push_back(VIEW_ID_BOOKMARK_BAR);
   view_list.push_back(VIEW_ID_TOOLBAR);
   view_list.push_back(VIEW_ID_FIND_BAR);
@@ skipping 167 matching lines @@
 
   NSView* bookmarkView = [[controller() bookmarkBarController] view];
   NSView* contentView = [[controller() window] contentView];
   NSPoint point = [bookmarkView convertPoint:NSMakePoint(1, 1)
                                       toView:[contentView superview]];
 
   EXPECT_FALSE([[contentView hitTest:point] isDescendantOf:bookmarkView]);
   EXPECT_TRUE([[contentView hitTest:point]
       isDescendantOf:[controller() tabContentArea]]);
 }