Fix virtual/override/final usage in Source/modules/.

Source/modules/accessibility/AXMediaControls.h

Index: Source/modules/accessibility/AXMediaControls.h
diff --git a/Source/modules/accessibility/AXMediaControls.h b/Source/modules/accessibility/AXMediaControls.h
index 212aac0cb949f7c515e3047c18afdf63f9324077..f30d27847f54b60f0d522c0a0c9f4c6ff0c6a02c 100644
--- a/Source/modules/accessibility/AXMediaControls.h
+++ b/Source/modules/accessibility/AXMediaControls.h
@@ -41,18 +41,18 @@ class AccessibilityMediaControl : public AXLayoutObject {
 
 public:
     static PassRefPtrWillBeRawPtr<AXObject> create(LayoutObject*, AXObjectCacheImpl&);
-    virtual ~AccessibilityMediaControl() { }
+    ~AccessibilityMediaControl() override { }
 
-    virtual AccessibilityRole roleValue() const override;
+    AccessibilityRole roleValue() const override;
 
-    virtual String deprecatedTitle(TextUnderElementMode) const override final;
-    virtual String deprecatedAccessibilityDescription() const override;
-    virtual String deprecatedHelpText() const override;
+    String deprecatedTitle(TextUnderElementMode) const final;
+    String deprecatedAccessibilityDescription() const override;
+    String deprecatedHelpText() const override;
 
 protected:
     AccessibilityMediaControl(LayoutObject*, AXObjectCacheImpl&);
     MediaControlElementType controlType() const;
-    virtual bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
+    bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
 };
 
 
@@ -60,10 +60,10 @@ class AccessibilityMediaTimeline final : public AXSlider {
 
 public:
     static PassRefPtrWillBeRawPtr<AXObject> create(LayoutObject*, AXObjectCacheImpl&);
-    virtual ~AccessibilityMediaTimeline() { }
+    ~AccessibilityMediaTimeline() override { }
 
-    virtual String deprecatedHelpText() const override;
-    virtual String valueDescription() const override;
+    String deprecatedHelpText() const override;
+    String valueDescription() const override;
     const AtomicString& getAttribute(const QualifiedName& attribute) const;
 
 private:
@@ -75,17 +75,17 @@ class AXMediaControlsContainer final : public AccessibilityMediaControl {
 
 public:
     static PassRefPtrWillBeRawPtr<AXObject> create(LayoutObject*, AXObjectCacheImpl&);
-    virtual ~AXMediaControlsContainer() { }
+    ~AXMediaControlsContainer() override { }
 
-    virtual AccessibilityRole roleValue() const override { return ToolbarRole; }
+    AccessibilityRole roleValue() const override { return ToolbarRole; }
 
-    virtual String deprecatedHelpText() const override;
-    virtual String deprecatedAccessibilityDescription() const override;
+    String deprecatedHelpText() const override;
+    String deprecatedAccessibilityDescription() const override;
 
 private:
     AXMediaControlsContainer(LayoutObject*, AXObjectCacheImpl&);
     bool controllingVideoElement() const;
-    virtual bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
+    bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
 };
 
 
@@ -93,16 +93,16 @@ class AccessibilityMediaTimeDisplay final : public AccessibilityMediaControl {
 
 public:
     static PassRefPtrWillBeRawPtr<AXObject> create(LayoutObject*, AXObjectCacheImpl&);
-    virtual ~AccessibilityMediaTimeDisplay() { }
+    ~AccessibilityMediaTimeDisplay() override { }
 
-    virtual AccessibilityRole roleValue() const override { return StaticTextRole; }
+    AccessibilityRole roleValue() const override { return StaticTextRole; }
 
-    virtual String stringValue() const override;
-    virtual String deprecatedAccessibilityDescription() const override;
+    String stringValue() const override;
+    String deprecatedAccessibilityDescription() const override;
 
 private:
     AccessibilityMediaTimeDisplay(LayoutObject*, AXObjectCacheImpl&);
-    virtual bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
+    bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
 };