Let Chrome app handle Ash accelerators first if the app is launched as a window

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/caps_lock_delegate.h"
 #include "ash/ime_control_delegate.h"
 #include "ash/screenshot_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
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   // The registered accelerator is processed.
   EXPECT_TRUE(GetController()->Process(accelerator_a));
   EXPECT_EQ(1, target1.accelerator_pressed_count());
 
   // The non-registered accelerator is not processed.
   const ui::Accelerator accelerator_b(ui::VKEY_B, false, false, false);
   EXPECT_FALSE(GetController()->Process(accelerator_b));
 }
 
+TEST_F(AcceleratorControllerTest, IsRegistered) {
+  const ui::Accelerator accelerator_a(ui::VKEY_A, false, false, false);
+  const ui::Accelerator accelerator_shift_a(ui::VKEY_A, true, false, false);
+  TestTarget target;
+  GetController()->Register(accelerator_a, &target);
+  EXPECT_TRUE(GetController()->IsRegistered(accelerator_a));
+  EXPECT_FALSE(GetController()->IsRegistered(accelerator_shift_a));
+  GetController()->UnregisterAll(&target);
+  EXPECT_FALSE(GetController()->IsRegistered(accelerator_a));
+}
+
 #if defined(OS_WIN) || defined(USE_X11)
 TEST_F(AcceleratorControllerTest, ProcessOnce) {
   ui::Accelerator accelerator_a(ui::VKEY_A, false, false, false);
   TestTarget target;
   GetController()->Register(accelerator_a, &target);
 
   // The accelerator is processed only once.
 #if defined(OS_WIN)
   MSG msg1 = { NULL, WM_KEYDOWN, ui::VKEY_A, 0 };
   aura::TranslatedKeyEvent key_event1(msg1, false);
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     EXPECT_FALSE(GetController()->Process(shift_alt_press));
     EXPECT_FALSE(GetController()->Process(shift_alt_x_press));
     EXPECT_FALSE(GetController()->Process(shift_alt_x));
     EXPECT_FALSE(GetController()->Process(shift_alt));
     EXPECT_EQ(2, delegate->handle_next_ime_count());
   }
 }
 
 }  // namespace test
 }  // namespace ash