Changes WindowTreeHostMus to not always StopPropagation

ui/views/mus/window_tree_host_mus.cc

 // Copyright 2015 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/views/mus/window_tree_host_mus.h"
 
 #include "base/memory/ptr_util.h"
 #include "services/ui/public/cpp/window.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
@@ skipping 46 matching lines @@
 }
 
 WindowTreeHostMus::~WindowTreeHostMus() {
   DestroyCompositor();
   DestroyDispatcher();
 }
 
 void WindowTreeHostMus::DispatchEvent(ui::Event* event) {
   if (event->IsKeyEvent() && GetInputMethod()) {
     GetInputMethod()->DispatchKeyEvent(event->AsKeyEvent());
-    event->StopPropagation();
     return;
   }
   WindowTreeHostPlatform::DispatchEvent(event);
 }
 
 void WindowTreeHostMus::OnClosed() {
   if (native_widget_)
     native_widget_->OnPlatformWindowClosed();
 }
 
 void WindowTreeHostMus::OnActivationChanged(bool active) {
   if (active)
     GetInputMethod()->OnFocus();
   else
     GetInputMethod()->OnBlur();
   if (native_widget_)
     native_widget_->OnActivationChanged(active);
   WindowTreeHostPlatform::OnActivationChanged(active);
 }
 
 void WindowTreeHostMus::OnCloseRequest() {
   OnHostCloseRequested();
 }
 
 }  // namespace views