Adding Chrome-side WebVR interface

content/browser/vr/cardboard/cardboard_vr_device_provider.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 "content/browser/vr/cardboard/cardboard_vr_device_provider.h"
+
+#include "content/browser/vr/cardboard/cardboard_vr_device.h"
+
+namespace content {
+
+CardboardVRDeviceProvider::CardboardVRDeviceProvider()
+    : VRDeviceProvider()
+    , cardboard_device_(NULL) {
+}
+
+CardboardVRDeviceProvider::~CardboardVRDeviceProvider() {
+  ReleaseDevices();
+}
+
+void CardboardVRDeviceProvider::GetDevices(std::vector<VRDevice*>& devices) {
+  if (!cardboard_device_) {
+    cardboard_device_ = new CardboardVRDevice(this);
+  }
+
+  devices.push_back(cardboard_device_);
+}
+
+void CardboardVRDeviceProvider::Initialize() {
+
+}
+
+void CardboardVRDeviceProvider::ReleaseDevices() {
+  if (cardboard_device_) {
+    delete cardboard_device_;
+    cardboard_device_ = NULL;
+  }
+}
+
+}  // namespace content