Fix a crash when typing in an exo window.

chrome/browser/ui/views/ime_driver/input_method_bridge_chromeos.cc

 // Copyright 2016 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 "chrome/browser/ui/views/ime_driver/input_method_bridge_chromeos.h"
 
 #include "chrome/browser/ui/views/ime_driver/remote_text_input_client.h"
 
 InputMethodBridge::InputMethodBridge(ui::mojom::TextInputClientPtr client)
     : client_(base::MakeUnique<RemoteTextInputClient>(std::move(client))),
@@ skipping 21 matching lines @@
 
 void InputMethodBridge::ProcessKeyEvent(
     std::unique_ptr<ui::Event> event,
     const ProcessKeyEventCallback& callback) {
   DCHECK(event->IsKeyEvent());
   ui::KeyEvent* key_event = event->AsKeyEvent();
   if (!key_event->is_char()) {
     input_method_chromeos_->DispatchKeyEvent(
         key_event, base::MakeUnique<base::Callback<void(bool)>>(callback));
   } else {
-    callback.Run(false);
+    callback.Run(true);

[Hadi, 2016/12/15 15:28:58]

Can you please add some comments for why we are filtering out the character
events?

[Peng, 2016/12/15 15:53:28]

Done.

   }
 }
 
 void InputMethodBridge::CancelComposition() {
   input_method_chromeos_->CancelComposition(client_.get());
 }