Make IME extensions decide when to show the keyboard.

chrome/browser/chromeos/input_method/input_method_manager_impl.cc

Index: chrome/browser/chromeos/input_method/input_method_manager_impl.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
index db90c650dee9c0f54c6248a54a2df3896327268d..310b1f337529dbdeafc401ea4ca8bd46e5fb414e 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
@@ -1253,6 +1253,11 @@ void InputMethodManagerImpl::OverrideKeyboardUrlRef(const std::string& keyset) {
   GURL::Replacements replacements;
   replacements.SetRefStr(overridden_ref);
   keyboard::SetOverrideContentUrl(url.ReplaceComponents(replacements));
+
+  keyboard::KeyboardController* keyboard_controller =
+      keyboard::KeyboardController::GetInstance();
+  if (keyboard_controller)
+    keyboard_controller->Reload();
 }
 
 bool InputMethodManagerImpl::IsEmojiHandwritingVoiceOnImeMenuEnabled() {