Move VRDisplay timer to frame-specific TaskRunnerTimer.

third_party/WebKit/Source/modules/vr/VRDisplay.cpp

 // Copyright 2016 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 "modules/vr/VRDisplay.h"
 
 #include "core/css/StylePropertySet.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/DocumentUserGestureToken.h"
 #include "core/dom/FrameRequestCallback.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/ScriptedAnimationController.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/frame/UseCounter.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/loader/DocumentLoader.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "modules/EventTargetModules.h"
 #include "modules/vr/NavigatorVR.h"
 #include "modules/vr/VRController.h"
 #include "modules/vr/VRDisplayCapabilities.h"
 #include "modules/vr/VREyeParameters.h"
 #include "modules/vr/VRFrameData.h"
@@ skipping 60 matching lines @@
       m_navigatorVR(navigatorVR),
       m_isConnected(false),
       m_isPresenting(false),
       m_isValidDeviceForPresenting(true),
       m_canUpdateFramePose(true),
       m_capabilities(new VRDisplayCapabilities()),
       m_eyeParametersLeft(new VREyeParameters()),
       m_eyeParametersRight(new VREyeParameters()),
       m_depthNear(0.01),
       m_depthFar(10000.0),
-      m_fullscreenCheckTimer(this, &VRDisplay::onFullscreenCheck),
+      m_fullscreenCheckTimer(
+          TaskRunnerHelper::get(TaskType::UnspecedTimer,
+                                navigatorVR->document()->frame()),
+          this,
+          &VRDisplay::onFullscreenCheck),
       m_contextGL(nullptr),
       m_animationCallbackRequested(false),
       m_inAnimationFrame(false),
       m_display(std::move(display)),
       m_binding(this, std::move(request)) {}
 
 VRDisplay::~VRDisplay() {}
 
 VRController* VRDisplay::controller() {
   return m_navigatorVR->controller();
@@ skipping 666 matching lines @@
   visitor->trace(m_stageParameters);
   visitor->trace(m_eyeParametersLeft);
   visitor->trace(m_eyeParametersRight);
   visitor->trace(m_layer);
   visitor->trace(m_renderingContext);
   visitor->trace(m_scriptedAnimationController);
   visitor->trace(m_pendingPresentResolvers);
 }
 
 }  // namespace blink