Disable FullscreenElementInABAAndExitViaEscapeKey test on Windows due to flakes

chrome/browser/site_per_process_interactive_browsertest.cc

 // Copyright 2016 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.
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller_test.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
@@ skipping 570 matching lines @@
   EXPECT_FALSE(ElementHasFullscreenStyle(main_frame, "child-0"));
   EXPECT_FALSE(ElementHasFullscreenAncestorStyle(main_frame, "child-0"));
 
   // Check that document.webkitFullscreenElement was cleared in all three
   // frames.
   EXPECT_EQ("none", GetFullscreenElementId(main_frame));
   EXPECT_EQ("none", GetFullscreenElementId(child));
   EXPECT_EQ("none", GetFullscreenElementId(grandchild));
 }
 
+// Flaky on Windows: https://crbug.com/647311
+#if defined(OS_WIN)
+#define MAYBE_FullscreenElementInABAAndExitViaEscapeKey DISABLED_FullscreenElementInABAAndExitViaEscapeKey
+#else
+#define MAYBE_FullscreenElementInABAAndExitViaEscapeKey FullscreenElementInABAAndExitViaEscapeKey
+#endif
 IN_PROC_BROWSER_TEST_F(SitePerProcessInteractiveBrowserTest,
-                       FullscreenElementInABAAndExitViaEscapeKey) {
+                       MAYBE_FullscreenElementInABAAndExitViaEscapeKey) {
   FullscreenElementInABA(FullscreenExitMethod::ESC_PRESS);
 }
 
 IN_PROC_BROWSER_TEST_F(SitePerProcessInteractiveBrowserTest,
                        FullscreenElementInABAAndExitViaJS) {
   FullscreenElementInABA(FullscreenExitMethod::JS_CALL);
 }
 
 // Check that fullscreen works on a more complex page hierarchy with multiple
 // local and remote ancestors.  The test uses this frame tree:
@@ skipping 167 matching lines @@
                                           "document.pointerLockElement)",
                                           &mouse_locked));
   EXPECT_TRUE(mouse_locked);
   EXPECT_TRUE(main_frame->GetView()->IsMouseLocked());
 
   EXPECT_TRUE(ExecuteScript(main_frame,
                             "document.querySelector('iframe').parentNode."
                             "removeChild(document.querySelector('iframe'))"));
   EXPECT_FALSE(main_frame->GetView()->IsMouseLocked());
 }