Fix virtual/override/final usage in the rest of Source/core/.

Source/core/inspector/InspectorAnimationAgent.h

 // Copyright 2014 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.
 
 #ifndef InspectorAnimationAgent_h
 #define InspectorAnimationAgent_h
 
 #include "core/CoreExport.h"
 #include "core/InspectorFrontend.h"
 #include "core/css/CSSKeyframesRule.h"
@@ skipping 18 matching lines @@
     {
         return adoptPtrWillBeNoop(new InspectorAnimationAgent(pageAgent, domAgent));
     }
 
     // Base agent methods.
     void restore() override;
     void disable(ErrorString*) override;
     void didCommitLoadForLocalFrame(LocalFrame*) override;
 
     // Protocol method implementations
-    virtual void getPlaybackRate(ErrorString*, double* playbackRate) override;
-    virtual void setPlaybackRate(ErrorString*, double playbackRate) override;
-    virtual void setCurrentTime(ErrorString*, double currentTime) override;
-    virtual void setTiming(ErrorString*, const String& animationId, double duration, double delay) override;
+    void getPlaybackRate(ErrorString*, double* playbackRate) override;
+    void setPlaybackRate(ErrorString*, double playbackRate) override;
+    void setCurrentTime(ErrorString*, double currentTime) override;
+    void setTiming(ErrorString*, const String& animationId, double duration, double delay) override;
 
     // API for InspectorInstrumentation
     void didCreateAnimation(Animation*);
     void didCancelAnimation(Animation*);
     void didClearDocumentOfWindowObject(LocalFrame*);
 
     // API for InspectorFrontend
-    virtual void enable(ErrorString*) override;
+    void enable(ErrorString*) override;
 
     // Methods for other agents to use.
     Animation* assertAnimation(ErrorString*, const String& id);
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     InspectorAnimationAgent(InspectorPageAgent*, InspectorDOMAgent*);
 
     typedef TypeBuilder::Animation::Animation::Type::Enum AnimationType;
 
     PassRefPtr<TypeBuilder::Animation::Animation> buildObjectForAnimation(Animation&);
     PassRefPtr<TypeBuilder::Animation::Animation> buildObjectForAnimation(Animation&, AnimationType, PassRefPtr<TypeBuilder::Animation::KeyframesRule> keyframeRule = nullptr);
     double normalizedStartTime(Animation&);
     AnimationTimeline& referenceTimeline();
 
     RawPtrWillBeMember<InspectorPageAgent> m_pageAgent;
     RawPtrWillBeMember<InspectorDOMAgent> m_domAgent;
     WillBeHeapHashMap<String, RefPtrWillBeMember<Animation>> m_idToAnimation;
     WillBeHeapHashMap<String, AnimationType> m_idToAnimationType;
     double m_latestStartTime;
 };
 
 }
 
 #endif // InspectorAnimationAgent_h