Fix Caps Lock bug

ui/chromeos/events/event_rewriter_chromeos.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/events/event_rewriter_chromeos.h"
 
 #include <stddef.h>
 
 #include <vector>
 
@@ skipping 786 matching lines @@
     state->flags &= ~characteristic_flag;
     if (non_modifier_to_modifier)
       pressed_modifier_latches_ &= ~characteristic_flag;
   }
 
   if (key_event.type() == ui::ET_KEY_PRESSED) {
     if (!ui::KeycodeConverter::IsDomKeyForModifier(state->key)) {
       used_modifier_latches_ |= pressed_modifier_latches_;
       latched_modifier_latches_ = ui::EF_NONE;
     }
-    // Toggle Caps Lock if the remapped key is ui::VKEY_CAPITAL.
-    if (state->key_code == ui::VKEY_CAPITAL
-        // ... except on linux Chrome OS, where InputMethodChromeOS handles it.
-        && (base::SysInfo::IsRunningOnChromeOS() || ime_keyboard_for_testing_)
-#if defined(USE_X11)
-        // ... but for X11, do nothing if the original key is ui::VKEY_CAPITAL
-        // (i.e. a Caps Lock key on an external keyboard is pressed) since X
-        // handles that itself.
-        && incoming.key_code != ui::VKEY_CAPITAL
-#endif
-        ) {
-      ::chromeos::input_method::ImeKeyboard* ime_keyboard =
-          ime_keyboard_for_testing_
-              ? ime_keyboard_for_testing_
-              : ::chromeos::input_method::InputMethodManager::Get()
-                    ->GetImeKeyboard();
-      ime_keyboard->SetCapsLockEnabled(!ime_keyboard->CapsLockIsEnabled());
-    }
+    // The handling of Caps Lock toggling is now moved to accelerator
+    // controller.
+    // (see https://bugs.chromium.org/p/chromium/issues/detail?id=700705).
   }
   return exact_event;
 }
 
 void EventRewriterChromeOS::RewriteNumPadKeys(const ui::KeyEvent& key_event,
                                               MutableKeyState* state) {
   DCHECK(key_event.type() == ui::ET_KEY_PRESSED ||
          key_event.type() == ui::ET_KEY_RELEASED);
   static const struct NumPadRemapping {
     ui::KeyboardCode input_key_code;
@@ skipping 300 matching lines @@
   for (const auto& keyboard : keyboard_devices) {
     if (keyboard.id == device_id) {
       return KeyboardDeviceAddedInternal(
           keyboard.id, keyboard.name, keyboard.vendor_id, keyboard.product_id);
     }
   }
   return kDeviceUnknown;
 }
 
 }  // namespace ui