Implement WebVR presentation pausing for VR Shell Menu Mode

device/vr/vr_device_manager_unittest.cc

Index: device/vr/vr_device_manager_unittest.cc
diff --git a/device/vr/vr_device_manager_unittest.cc b/device/vr/vr_device_manager_unittest.cc
index 454f6c4b41fb0ab3a99e37cbc5dab326909f4fee..43187f002fdc6e1bee410741890255aeb801f9c4 100644
--- a/device/vr/vr_device_manager_unittest.cc
+++ b/device/vr/vr_device_manager_unittest.cc
@@ -30,7 +30,7 @@ class VRDeviceManagerTest : public testing::Test {
   }
 
  protected:
-  FakeVRDeviceProvider* provider_;
+  scoped_refptr<FakeVRDeviceProvider> provider_;
   std::unique_ptr<VRDeviceManager> device_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(VRDeviceManagerTest);
@@ -41,9 +41,9 @@ VRDeviceManagerTest::VRDeviceManagerTest() {}
 VRDeviceManagerTest::~VRDeviceManagerTest() {}
 
 void VRDeviceManagerTest::SetUp() {
-  std::unique_ptr<FakeVRDeviceProvider> provider(new FakeVRDeviceProvider());
-  provider_ = provider.get();
-  device_manager_.reset(new VRDeviceManager(std::move(provider)));
+  FakeVRDeviceProvider* provider = new FakeVRDeviceProvider();
+  provider_ = provider;
+  device_manager_.reset(new VRDeviceManager(provider));
 }
 
 TEST_F(VRDeviceManagerTest, InitializationTest) {
@@ -70,7 +70,7 @@ TEST_F(VRDeviceManagerTest, GetDevicesBasicTest) {
   VRDevice* queried_device = GetDevice(1);
   EXPECT_EQ(nullptr, queried_device);
 
-  std::unique_ptr<FakeVRDevice> device1(new FakeVRDevice(provider_));
+  std::unique_ptr<FakeVRDevice> device1(new FakeVRDevice(provider_.get()));
   provider_->AddDevice(device1.get());
   webvr_devices = device_manager_->GetVRDevices();
   // Should have successfully returned one device.
@@ -78,7 +78,7 @@ TEST_F(VRDeviceManagerTest, GetDevicesBasicTest) {
   // The WebVRDevice index should match the device id.
   EXPECT_EQ(webvr_devices[0]->index, device1->id());
 
-  std::unique_ptr<FakeVRDevice> device2(new FakeVRDevice(provider_));
+  std::unique_ptr<FakeVRDevice> device2(new FakeVRDevice(provider_.get()));
   provider_->AddDevice(device2.get());
   webvr_devices = device_manager_->GetVRDevices();
   // Should have successfully returned two devices.