Adding Chrome-side WebVR interface

content/browser/vr/vr_test_helpers.h

Index: content/browser/vr/vr_test_helpers.h
diff --git a/content/browser/vr/vr_test_helpers.h b/content/browser/vr/vr_test_helpers.h
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+// Copyright (c) 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.
+
+#ifndef CONTENT_BROWSER_VR_VR_TEST_HELPERS_H_
+#define CONTENT_BROWSER_VR_VR_TEST_HELPERS_H_
+
+#include <vector>
+#include "content/browser/vr/vr_device.h"
+#include "content/browser/vr/vr_device_provider.h"
+#include "third_party/WebKit/public/platform/WebVR.h"
+
+namespace content {
+
+class MockVRDevice : public VRDevice {
+ public:
+  MockVRDevice(VRDeviceProvider* provider);
+  ~MockVRDevice() override;
+
+  void SetVRDevice(const blink::WebVRDevice& device);
+  void SetHMDSensorState(const blink::WebHMDSensorState& state);
+  void SetRenderTargetSize(unsigned int width, unsigned int height);
+
+  void GetVRDevice(blink::WebVRDevice* device) override;
+  void GetHMDSensorState(blink::WebHMDSensorState* state) override;
+  void ResetSensor() override {};
+  void GetRenderTargetRects(
+      blink::WebVRFieldOfView leftFov,
+      blink::WebVRFieldOfView rightFov,
+      blink::WebVRVector4* leftRect,
+      blink::WebVRVector4* rightRect) override;
+
+ private:
+  blink::WebVRDevice device_;
+  blink::WebHMDSensorState state_;
+  unsigned int width_;
+  unsigned int height_;
+};
+
+// Data fetcher that returns canned data for the gamepad provider.
+class MockVRDeviceProvider : public VRDeviceProvider {
+ public:
+  MockVRDeviceProvider();
+  ~MockVRDeviceProvider() override;
+
+  // Adds devices to the provider with the given device, which will be
+  // returned when GetDevices is queried.
+  void AddDevice(VRDevice* device);
+  void RemoveDevice(VRDevice* device);
+  bool IsInitialized() { return initialized_; }
+
+  void GetDevices(std::vector<VRDevice*>& devices) override;
+  void Initialize() override;
+  void Shutdown() override;
+
+ private:
+  std::vector<VRDevice*> devices_;
+  bool initialized_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_VR_VR_TEST_HELPERS_H_