[mus] Disable badly flaking apptest

components/mus/ws/window_manager_client_apptest.cc

 // Copyright 2014 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 <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 827 matching lines @@
   EXPECT_EQ(child21->id(), window_manager()->GetFocusedWindow()->id());
   EXPECT_EQ(child21->id(), embedded2->GetFocusedWindow()->id());
   EXPECT_TRUE(WaitForNoWindowToHaveFocus(embedded1));
   EXPECT_EQ(nullptr, embedded1->GetFocusedWindow());
   EXPECT_GT(ValidIndexOf(parent->children(), child2),
             ValidIndexOf(parent->children(), child1));
   EXPECT_GT(ValidIndexOf(parent->children(), child3),
             ValidIndexOf(parent->children(), child1));
 }
 
-TEST_F(WindowServerTest, ActivationNext) {
+// Very flaky: http://crbug.com/592313.
+TEST_F(WindowServerTest, DISABLED_ActivationNext) {
   Window* parent = GetFirstWMRoot();
   Window* child1 = NewVisibleWindow(parent, window_manager());
   Window* child2 = NewVisibleWindow(parent, window_manager());
   Window* child3 = NewVisibleWindow(parent, window_manager());
 
   WindowTreeConnection* embedded1 = Embed(child1).connection;
   ASSERT_NE(nullptr, embedded1);
   WindowTreeConnection* embedded2 = Embed(child2).connection;
   ASSERT_NE(nullptr, embedded2);
   WindowTreeConnection* embedded3 = Embed(child3).connection;
@@ skipping 313 matching lines @@
   ASSERT_TRUE(window_in_wm);
 
   // Change the bounds in the wm, and make sure the child sees it.
   window_in_wm->SetBounds(gfx::Rect(1, 11, 12, 101));
   ASSERT_TRUE(WaitForBoundsToChange(window_in_second_connection));
   EXPECT_EQ(gfx::Rect(1, 11, 12, 101), window_in_second_connection->bounds());
 }
 
 }  // namespace ws
 }  // namespace mus