Refactored VRService interaction and added VRServiceClient

device/vr/test/fake_vr_device.cc

Index: device/vr/test/fake_vr_device.cc
diff --git a/device/vr/test/fake_vr_device.cc b/device/vr/test/fake_vr_device.cc
index d6c1b9527b81d3b6958610e95aa4b104a1e5e908..48e7138dd074fb2199c9a7f0b1748ff9feea5757 100644
--- a/device/vr/test/fake_vr_device.cc
+++ b/device/vr/test/fake_vr_device.cc
@@ -9,10 +9,47 @@ namespace device {
 FakeVRDevice::FakeVRDevice(VRDeviceProvider* provider) : VRDevice(provider) {
   device_ = VRDisplay::New();
   pose_ = VRPose::New();
+
+  InitBasicDevice();
 }
 
 FakeVRDevice::~FakeVRDevice() {}
 
+void FakeVRDevice::InitBasicDevice() {
+  device_->displayName = "FakeVRDevice";
+
+  device_->capabilities = VRDisplayCapabilities::New();
+  device_->capabilities->hasOrientation = true;
+  device_->capabilities->hasPosition = false;
+  device_->capabilities->hasExternalDisplay = false;
+  device_->capabilities->canPresent = false;
+
+  device_->leftEye = InitEye(45, -0.03f, 1024);
+  device_->rightEye = InitEye(45, 0.03f, 1024);
+}
+
+VREyeParametersPtr FakeVRDevice::InitEye(float fov,
+                                         float offset,
+                                         uint32_t size) {
+  VREyeParametersPtr eye = VREyeParameters::New();
+
+  eye->fieldOfView = VRFieldOfView::New();
+  eye->fieldOfView->upDegrees = fov;
+  eye->fieldOfView->downDegrees = fov;
+  eye->fieldOfView->leftDegrees = fov;
+  eye->fieldOfView->rightDegrees = fov;
+
+  eye->offset = mojo::Array<float>::New(3);
+  eye->offset[0] = offset;
+  eye->offset[1] = 0.0f;
+  eye->offset[2] = 0.0f;
+
+  eye->renderWidth = size;
+  eye->renderHeight = size;
+
+  return eye;
+}
+
 void FakeVRDevice::SetVRDevice(const VRDisplayPtr& device) {
   device_ = device.Clone();
 }
@@ -22,7 +59,9 @@ void FakeVRDevice::SetPose(const VRPosePtr& pose) {
 }
 
 VRDisplayPtr FakeVRDevice::GetVRDevice() {
-  return device_.Clone();
+  VRDisplayPtr display = device_.Clone();
+  display->index = id();
+  return display.Clone();
 }
 
 VRPosePtr FakeVRDevice::GetPose() {