Support focus highlight in Android window

components/arc/arc_bridge_host_impl.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 "components/arc/arc_bridge_host_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 65 matching lines @@
   DCHECK(instance_.is_bound());
   instance_.set_connection_error_handler(
       base::Bind(&ArcBridgeHostImpl::OnClosed, base::Unretained(this)));
   instance_->Init(binding_.CreateInterfacePtrAndBind());
 }
 
 ArcBridgeHostImpl::~ArcBridgeHostImpl() {
   OnClosed();
 }
 
+void ArcBridgeHostImpl::OnAccessibilityHelperInstanceReady(
+    mojom::AccessibilityHelperInstancePtr accessibility_helper_ptr) {
+  OnInstanceReady(arc_bridge_service_->accessibility_helper(),
+                  std::move(accessibility_helper_ptr));
+}
+
 void ArcBridgeHostImpl::OnAppInstanceReady(mojom::AppInstancePtr app_ptr) {
   OnInstanceReady(arc_bridge_service_->app(), std::move(app_ptr));
 }
 
 void ArcBridgeHostImpl::OnAudioInstanceReady(
     mojom::AudioInstancePtr audio_ptr) {
   OnInstanceReady(arc_bridge_service_->audio(), std::move(audio_ptr));
 }
 
 void ArcBridgeHostImpl::OnAuthInstanceReady(mojom::AuthInstancePtr auth_ptr) {
@@ skipping 148 matching lines @@
 void ArcBridgeHostImpl::OnChannelClosed(MojoChannel* channel) {
   DCHECK(thread_checker_.CalledOnValidThread());
   mojo_channels_.erase(
       std::find_if(mojo_channels_.begin(), mojo_channels_.end(),
                    [channel](std::unique_ptr<MojoChannel>& ptr) {
                      return ptr.get() == channel;
                    }));
 }
 
 }  // namespace arc