Disable flaky TouchExplorationTest,NoRewritingEventsWhenOff test

chrome/browser/chromeos/accessibility/touch_exploration_controller_browsertest.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 "ui/chromeos/touch_exploration_controller.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/test/simple_test_tick_clock.h"
@@ skipping 58 matching lines @@
 
   ui::GestureDetector::Config gesture_detector_config_;
   base::SimpleTestTickClock* simulated_clock_;
   aura::Window* root_window_;
   scoped_ptr<ui::test::TestEventHandler> event_handler_;
 
 private:
   DISALLOW_COPY_AND_ASSIGN(TouchExplorationTest);
 };
 
+#if defined(OS_CHROMEOS)
+// crbug.com/422943
+#define MAYBE_NoRewritingEventsWhenOff DISABLED_NoRewritingEventsWhenOff
+#else
+#define MAYBE_NoRewritingEventsWhenOff NoRewritingEventsWhenOff
+#endif
+
 // This test turns the touch exploration mode off and confirms that events
 // aren't modified.
-IN_PROC_BROWSER_TEST_F(TouchExplorationTest, NoRewritingEventsWhenOff) {
+IN_PROC_BROWSER_TEST_F(TouchExplorationTest, MAYBE_NoRewritingEventsWhenOff) {
   SwitchTouchExplorationMode(false);
   ui::test::EventGenerator generator(root_window_);
 
   base::TimeDelta initial_time = Now();
   ui::TouchEvent initial_press(
       ui::ET_TOUCH_PRESSED, gfx::Point(99, 200), 1, initial_time);
   generator.Dispatch(&initial_press);
 
   // Since the touch exploration controller doesn't know if the user is
   // double-tapping or not, touch exploration is only initiated if the
@@ skipping 143 matching lines @@
 
   // Continuing to move the touch exploration finger should send more mouse
   // events.
   generator.MoveTouchId(gfx::Point(509, 609), 1);
   EXPECT_EQ(0, event_handler_->num_touch_events());
   EXPECT_TRUE(cursor_client->IsMouseEventsEnabled());
   EXPECT_FALSE(cursor_client->IsCursorVisible());
 }
 
 }  // namespace ui