Fix Caps Lock bug

ash/accelerators/accelerator_controller_unittest.cc

Index: ash/accelerators/accelerator_controller_unittest.cc
diff --git a/ash/accelerators/accelerator_controller_unittest.cc b/ash/accelerators/accelerator_controller_unittest.cc
index 2a5d178a1b2d8720b7396a531403dd3aa9d418a0..8f2f1e5d57bc5e8795ff1b69a1febe72fbcd33a7 100644
--- a/ash/accelerators/accelerator_controller_unittest.cc
+++ b/ash/accelerators/accelerator_controller_unittest.cc
@@ -980,7 +980,7 @@ class ToggleCapsLockTest : public AcceleratorControllerTest {
   DISALLOW_COPY_AND_ASSIGN(ToggleCapsLockTest);
 };
 
-// Tests the four combinations of the TOGGLE_CAPS_LOCK accelerator.
+// Tests the five combinations of the TOGGLE_CAPS_LOCK accelerator.
 TEST_F(ToggleCapsLockTest, ToggleCapsLockAccelerators) {
   chromeos::input_method::InputMethodManager* input_method_manager =
       chromeos::input_method::InputMethodManager::Get();
@@ -1020,6 +1020,15 @@ TEST_F(ToggleCapsLockTest, ToggleCapsLockAccelerators) {
   EXPECT_FALSE(ProcessInController(press_search_then_alt));
   EXPECT_TRUE(ProcessInController(release_alt_before_search));
   EXPECT_TRUE(input_method_manager->GetImeKeyboard()->CapsLockIsEnabled());
+  input_method_manager->GetImeKeyboard()->SetCapsLockEnabled(false);
+
+  // 5. Press Caps Lock, Release Caps Lock.
+  const ui::Accelerator press_caps_lock(ui::VKEY_CAPITAL, ui::EF_NONE);
+  EXPECT_FALSE(ProcessInController(press_caps_lock));

[afakhry, 2017/04/07 23:31:42]

Can you check here the status of the caps lock hasn't changed? Just to make sure
it triggers only on release.

[weidongg, 2017/04/08 00:15:07]

Done.

+  const ui::Accelerator release_caps_lock(
+      CreateReleaseAccelerator(ui::VKEY_CAPITAL, ui::EF_NONE));
+  EXPECT_TRUE(ProcessInController(release_caps_lock));
+  EXPECT_TRUE(input_method_manager->GetImeKeyboard()->CapsLockIsEnabled());
 }
 
 class PreferredReservedAcceleratorsTest : public test::AshTestBase {