Implement Linux IME support

services/native_viewport/native_viewport_impl.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 "services/native_viewport/native_viewport_impl.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 76 matching lines @@
 void NativeViewportImpl::GetContextProvider(
     mojo::InterfaceRequest<mojo::ContextProvider> request) {
   context_provider_.Bind(request.Pass());
 }
 
 void NativeViewportImpl::SetEventDispatcher(
     mojo::NativeViewportEventDispatcherPtr dispatcher) {
   event_dispatcher_ = dispatcher.Pass();
 }
 
+void NativeViewportImpl::SetKeyEventDispatcher(
+    mojo::NativeViewportEventDispatcherPtr dispatcher) {
+  key_event_dispatcher_ = dispatcher.Pass();
+}
+
 void NativeViewportImpl::OnMetricsChanged(mojo::ViewportMetricsPtr metrics) {
   if (metrics_->Equals(*metrics))
     return;
 
   metrics_ = metrics.Pass();
   sent_metrics_ = false;
 
   if (!metrics_callback_.is_null()) {
     metrics_callback_.Run(metrics_.Clone());
     metrics_callback_.reset();
@@ skipping 35 matching lines @@
     }
 
     case mojo::EventType::POINTER_CANCEL:
       pointers_waiting_on_ack_.clear();
       break;
 
     case mojo::EventType::POINTER_UP:
       pointers_waiting_on_ack_.erase(event->pointer_data->pointer_id);
       break;
 
+    case mojo::EventType::KEY_PRESSED:
+    case mojo::EventType::KEY_RELEASED:
+      if (key_event_dispatcher_.get())
+        key_event_dispatcher_->OnEvent(event.Pass(), callback);
+      return false;
+      break;
+
     default:
       break;
   }
 
   event_dispatcher_->OnEvent(event.Pass(), callback);
   return false;
 }
 
 void NativeViewportImpl::OnDestroyed() {
   delete this;
 }
 
 void NativeViewportImpl::AckEvent(int32 pointer_id) {
   pointers_waiting_on_ack_.erase(pointer_id);
 }
 
 }  // namespace native_viewport