Created fakes for HID-detection screen testing. Initial browsertest added.

chrome/browser/chromeos/device/fake_input_service_proxy.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 <vector>
+
+#include "chrome/browser/chromeos/device/fake_input_service_proxy.h"
+
+typedef device::InputServiceLinux::InputDeviceInfo InputDeviceInfo;
+
+namespace chromeos {
+
+FakeInputServiceProxy::FakeInputServiceProxy() {
+}
+
+FakeInputServiceProxy::~FakeInputServiceProxy() {
+}
+
+// static
+void FakeInputServiceProxy::WarmUp() {
+}
+
+void FakeInputServiceProxy::GetDevices(const GetDevicesCallback& callback) {
+  std::vector<InputDeviceInfo> devices;
+  for (auto& device_entry : devices_) {
+    devices.push_back(device_entry.second);
+  }
+  callback.Run(devices);
+}
+
+void FakeInputServiceProxy::GetDeviceInfo(const std::string& id,
+                                      const GetDeviceInfoCallback& callback) {
+  InputDeviceInfo info;
+  DeviceMap::const_iterator it = devices_.find(id);
+  if (it == devices_.end()) {
+    callback.Run(false, info);
+    return;
+  }
+  info = it->second;
+  callback.Run(true, info);
+}
+
+void FakeInputServiceProxy::AddDevice(InputDeviceInfo& info) {
+  devices_[info.id] = info;
+  FOR_EACH_OBSERVER(Observer, observers_, OnInputDeviceAdded(info));
+}
+
+void FakeInputServiceProxy::RemoveDevice(const std::string& id) {
+  devices_.erase(id);
+  FOR_EACH_OBSERVER(Observer, observers_, OnInputDeviceRemoved(id));
+}
+
+}  // namespace chromeos