1 files changed, 30 insertions, 29 deletions

diff --git a/Source/WebCore/dom/ScriptedAnimationController.h b/Source/WebCore/dom/ScriptedAnimationController.h
index f2808e78d..012c25862 100644
--- a/Source/WebCore/dom/ScriptedAnimationController.h
+++ b/Source/WebCore/dom/ScriptedAnimationController.h
@@ -23,22 +23,24 @@
  *
  */
 
-#ifndef ScriptedAnimationController_h
-#define ScriptedAnimationController_h
+#pragma once
 
-#if ENABLE(REQUEST_ANIMATION_FRAME)
 #include "DOMTimeStamp.h"
-#if USE(REQUEST_ANIMATION_FRAME_TIMER)
-#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
-#include "DisplayRefreshMonitor.h"
-#endif
-#include "Timer.h"
-#endif
 #include "PlatformScreen.h"
 #include <wtf/RefCounted.h>
 #include <wtf/RefPtr.h>
 #include <wtf/Vector.h>
 
+#if USE(REQUEST_ANIMATION_FRAME_TIMER)
+#include "Timer.h"
+#endif
+
+#if USE(REQUEST_ANIMATION_FRAME_TIMER) && USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
+#include "Chrome.h"
+#include "ChromeClient.h"
+#include "DisplayRefreshMonitorClient.h"
+#endif
+
 namespace WebCore {
 
 class Document;
@@ -50,22 +52,24 @@ class ScriptedAnimationController : public RefCounted<ScriptedAnimationControlle
 #endif
 {
 public:
-    static PassRefPtr<ScriptedAnimationController> create(Document* document, PlatformDisplayID displayID)
+    static Ref<ScriptedAnimationController> create(Document* document, PlatformDisplayID displayID)
     {
-        return adoptRef(new ScriptedAnimationController(document, displayID));
+        return adoptRef(*new ScriptedAnimationController(document, displayID));
     }
     ~ScriptedAnimationController();
-    void clearDocumentPointer() { m_document = 0; }
+    void clearDocumentPointer() { m_document = nullptr; }
+    bool requestAnimationFrameEnabled() const;
 
     typedef int CallbackId;
 
-    CallbackId registerCallback(PassRefPtr<RequestAnimationFrameCallback>);
+    CallbackId registerCallback(Ref<RequestAnimationFrameCallback>&&);
     void cancelCallback(CallbackId);
-    void serviceScriptedAnimations(double monotonicTimeNow);
+    void serviceScriptedAnimations(double timestamp);
 
     void suspend();
     void resume();
     void setThrottled(bool);
+    WEBCORE_EXPORT bool isThrottled() const;
 
     void windowScreenDidChange(PlatformDisplayID);
 
@@ -76,28 +80,25 @@ private:
     CallbackList m_callbacks;
 
     Document* m_document;
-    CallbackId m_nextCallbackId;
-    int m_suspendCount;
+    CallbackId m_nextCallbackId { 0 };
+    int m_suspendCount { 0 };
 
     void scheduleAnimation();
 
 #if USE(REQUEST_ANIMATION_FRAME_TIMER)
-    void animationTimerFired(Timer<ScriptedAnimationController>&);
-    Timer<ScriptedAnimationController> m_animationTimer;
-    double m_lastAnimationFrameTimeMonotonic;
+    void animationTimerFired();
+    Timer m_animationTimer;
+    double m_lastAnimationFrameTimestamp { 0 };
+#endif
 
-#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
+#if USE(REQUEST_ANIMATION_FRAME_TIMER) && USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
     // Override for DisplayRefreshMonitorClient
-    virtual void displayRefreshFired(double timestamp) override;
+    void displayRefreshFired() override;
+    RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const override;
 
-    bool m_isUsingTimer;
-    bool m_isThrottled;
-#endif
+    bool m_isUsingTimer { false };
+    bool m_isThrottled { false };
 #endif
 };
 
-}
-
-#endif // ENABLE(REQUEST_ANIMATION_FRAME)
-
-#endif // ScriptedAnimationController_h
+} // namespace WebCore