chromeos: adds TouchDeviceServer and wires up in mushrome

services/ui/input_devices/touch_device_server.cc

Index: services/ui/input_devices/touch_device_server.cc
diff --git a/services/ui/input_devices/touch_device_server.cc b/services/ui/input_devices/touch_device_server.cc
new file mode 100644
index 0000000000000000000000000000000000000000..efd88baba92e103fd8f7a41b2b836c601bdb6d4c
--- /dev/null
+++ b/services/ui/input_devices/touch_device_server.cc
@@ -0,0 +1,45 @@
+// Copyright 2017 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/ui/input_devices/touch_device_server.h"
+
+#include <utility>
+#include <vector>
+
+#include "services/service_manager/public/cpp/bind_source_info.h"
+#include "services/service_manager/public/cpp/binder_registry.h"
+#include "ui/display/manager/chromeos/default_touch_transform_setter.h"
+#include "ui/events/devices/input_device.h"
+#include "ui/events/devices/touchscreen_device.h"
+
+namespace ui {
+
+TouchDeviceServer::TouchDeviceServer()
+    : touch_transform_setter_(
+          base::MakeUnique<display::DefaultTouchTransformSetter>()) {}
+
+TouchDeviceServer::~TouchDeviceServer() {}
+
+void TouchDeviceServer::AddInterface(
+    service_manager::BinderRegistry* registry) {
+  registry->AddInterface<mojom::TouchDeviceServer>(
+      base::Bind(&TouchDeviceServer::BindTouchDeviceServerRequest,
+                 base::Unretained(this)));
+}
+
+void TouchDeviceServer::ConfigureTouchDevices(
+    const std::unordered_map<int32_t, double>& transport_scales,
+    const std::vector<display::TouchDeviceTransform>& transforms) {
+  std::map<int32_t, double> scales(transport_scales.begin(),
+                                   transport_scales.end());
+  touch_transform_setter_->ConfigureTouchDevices(scales, transforms);
+}
+
+void TouchDeviceServer::BindTouchDeviceServerRequest(
+    const service_manager::BindSourceInfo& source_info,
+    mojom::TouchDeviceServerRequest request) {
+  bindings_.AddBinding(this, std::move(request));
+}
+
+}  // namespace ui