IME for Mus: Use ui::InputMethodChromeOS to provide logic for ime driver.

ui/aura/mus/text_input_client_impl.cc

Index: ui/aura/mus/text_input_client_impl.cc
diff --git a/ui/aura/mus/text_input_client_impl.cc b/ui/aura/mus/text_input_client_impl.cc
index 2dbc39eeace328886101103482c957fc31068e2a..782e8347afe2ef675e8685c71351599cb5cae68b 100644
--- a/ui/aura/mus/text_input_client_impl.cc
+++ b/ui/aura/mus/text_input_client_impl.cc
@@ -38,9 +38,7 @@ void TextInputClientImpl::InsertText(const std::string& text) {
 
 void TextInputClientImpl::InsertChar(std::unique_ptr<ui::Event> event) {
   DCHECK(event->IsKeyEvent());
-  ui::KeyEvent* key_event = event->AsKeyEvent();
-  DCHECK(key_event->is_char());

[sadrul, 2016/12/12 18:50:15]

Why remove the DCHECK?

-  text_input_client_->InsertChar(*key_event);
+  text_input_client_->InsertChar(*event->AsKeyEvent());
 }
 
 }  // namespace aura