Revert of [Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/core/animation/AnimationEffect.h

Index: third_party/WebKit/Source/core/animation/AnimationEffect.h
diff --git a/third_party/WebKit/Source/core/animation/AnimationEffect.h b/third_party/WebKit/Source/core/animation/AnimationEffect.h
index 9c6c880f0289c7d3a4d9cc7a09cb709d2726f9e7..41de54a3444ad429a49f8f694097d466fd2d901b 100644
--- a/third_party/WebKit/Source/core/animation/AnimationEffect.h
+++ b/third_party/WebKit/Source/core/animation/AnimationEffect.h
@@ -98,8 +98,8 @@ public:
     double activeDurationInternal() const;
     double endTimeInternal() const { return specifiedTiming().startDelay + activeDurationInternal() + specifiedTiming().endDelay; }
 
-    const Animation* animation() const;
-    Animation* animation();
+    const Animation* animation() const { return m_animation; }
+    Animation* animation() { return m_animation; }
     const Timing& specifiedTiming() const { return m_timing; }
     AnimationEffectTiming* timing();
     void updateSpecifiedTiming(const Timing&);
@@ -118,13 +118,21 @@ protected:
     // When AnimationEffect receives a new inherited time via updateInheritedTime
     // it will (if necessary) recalculate timings and (if necessary) call
     // updateChildrenAndEffects.
-    void updateInheritedTime(double, TimingUpdateReason) const;
+    void updateInheritedTime(double inheritedTime, TimingUpdateReason) const;
     void invalidate() const { m_needsUpdate = true; }
-    bool requiresIterationEvents() const;
-    void clearEventDelegate();
-
-    virtual void attach(Animation*);
-    virtual void detach();
+    bool requiresIterationEvents() const { return m_eventDelegate && m_eventDelegate->requiresIterationEvents(*this); }
+    void clearEventDelegate() { m_eventDelegate = nullptr; }
+
+    virtual void attach(Animation* animation)
+    {
+        m_animation = animation;
+    }
+
+    virtual void detach()
+    {
+        ASSERT(m_animation);
+        m_animation = nullptr;
+    }
 
     double repeatedDuration() const;