Use EventHandler for IME

ash/accelerators/accelerator_controller_unittest.cc

 // 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.
 
 #include "ash/accelerators/accelerator_controller.h"
 
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/accessibility_delegate.h"
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
@@ skipping 751 matching lines @@
 // TODO(oshima): Fix this test to use EventGenerator.
 #if defined(OS_WIN)
 // crbug.com/317592
 #define MAYBE_ProcessOnce DISABLED_ProcessOnce
 #else
 #define MAYBE_ProcessOnce ProcessOnce
 #endif
 
 #if defined(OS_WIN) || defined(USE_X11)
 TEST_F(AcceleratorControllerTest, MAYBE_ProcessOnce) {
+  // The IME event filter interferes with the basic key event propagation we
+  // attempt to do here, so we disable it.
+  DisableIME();
   ui::Accelerator accelerator_a(ui::VKEY_A, ui::EF_NONE);
   TestTarget target;
   GetController()->Register(accelerator_a, &target);
 
   // The accelerator is processed only once.
   ui::EventProcessor* dispatcher =
       Shell::GetPrimaryRootWindow()->GetHost()->event_processor();
 #if defined(OS_WIN)
   MSG msg1 = { NULL, WM_KEYDOWN, ui::VKEY_A, 0 };
   ui::KeyEvent key_event1(msg1);
@@ skipping 620 matching lines @@
     wm::ActivateWindow(window.get());
     GetController()->PerformActionIfEnabled(WINDOW_MINIMIZE);
     delegate->TriggerAccessibilityAlert(ui::A11Y_ALERT_NONE);
     GetController()->PerformActionIfEnabled(kActionsNeedingWindow[i]);
     EXPECT_NE(delegate->GetLastAccessibilityAlert(),
               ui::A11Y_ALERT_WINDOW_NEEDED);
   }
 }
 
 }  // namespace ash