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

Source/modules/webgl/WebGLRenderingContextBase.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 88 matching lines @@
 class WebGLSharedObject;
 class WebGLUniformLocation;
 class WebGLVertexArrayObjectBase;
 
 class WebGLRenderingContextLostCallback;
 class WebGLRenderingContextErrorMessageCallback;
 
 class MODULES_EXPORT WebGLRenderingContextBase : public CanvasRenderingContext, public Page::MultisamplingChangedObserver {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(WebGLRenderingContextBase);
 public:
-    virtual ~WebGLRenderingContextBase();
+    ~WebGLRenderingContextBase() override;
 
     virtual unsigned version() const = 0;
     virtual String contextName() const = 0;
     virtual void registerContextExtensions() = 0;
 
     virtual void initializeNewContext();
 
     static unsigned getWebGLVersion(const CanvasRenderingContext*);
 
     static PassOwnPtr<WebGraphicsContext3D> createWebGraphicsContext3D(HTMLCanvasElement*, WebGLContextAttributes, unsigned webGLVersion);
@@ skipping 279 matching lines @@
     friend class WebGLRenderingContextErrorMessageCallback;
     friend class WebGLVertexArrayObjectBase;
     friend class ScopedTexture2DRestorer;
     friend class ScopedFramebufferRestorer;
 
     WebGLRenderingContextBase(HTMLCanvasElement*, PassOwnPtr<WebGraphicsContext3D>, const WebGLContextAttributes&);
     PassRefPtr<DrawingBuffer> createDrawingBuffer(PassOwnPtr<WebGraphicsContext3D>);
     void setupFlags();
 
     // CanvasRenderingContext implementation.
-    virtual bool is3d() const override { return true; }
-    virtual bool isAccelerated() const override { return true; }
-    virtual void setIsHidden(bool) override;
+    bool is3d() const override { return true; }
+    bool isAccelerated() const override { return true; }
+    void setIsHidden(bool) override;
     bool paintRenderingResultsToCanvas(SourceDrawingBuffer) override;
-    virtual WebLayer* platformLayer() const override;
+    WebLayer* platformLayer() const override;
     void stop() override;
 
     void addSharedObject(WebGLSharedObject*);
     void addContextObject(WebGLContextObject*);
     void detachAndRemoveAllObjects();
 
     void destroyContext();
     void markContextChanged(ContentChangeType);
 
     // Query if the context is NPOT strict.
@@ skipping 209 matching lines @@
 
     template <typename T>
     class TypedExtensionTracker final : public ExtensionTracker {
     public:
         static PassOwnPtrWillBeRawPtr<TypedExtensionTracker<T>> create(RefPtrWillBeMember<T>& extensionField, ExtensionFlags flags, const char* const* prefixes)
         {
             return adoptPtrWillBeNoop(new TypedExtensionTracker<T>(extensionField, flags, prefixes));
         }
 
 #if !ENABLE(OILPAN)
-        virtual ~TypedExtensionTracker()
+        ~TypedExtensionTracker() override
         {
             if (m_extension) {
                 m_extension->lose(true);
                 m_extension = nullptr;
             }
         }
 #endif
 
-        virtual PassRefPtrWillBeRawPtr<WebGLExtension> getExtension(WebGLRenderingContextBase* context) override
+        PassRefPtrWillBeRawPtr<WebGLExtension> getExtension(WebGLRenderingContextBase* context) override
         {
             if (!m_extension) {
                 m_extension = T::create(context);
                 m_extensionField = m_extension;
             }
 
             return m_extension;
         }
 
-        virtual bool supported(WebGLRenderingContextBase* context) const override
+        bool supported(WebGLRenderingContextBase* context) const override
         {
             return T::supported(context);
         }
 
-        virtual const char* extensionName() const override
+        const char* extensionName() const override
         {
             return T::extensionName();
         }
 
-        virtual void loseExtension() override
+        void loseExtension() override
         {
             if (m_extension) {
                 m_extension->lose(false);
                 if (m_extension->isLost())
                     m_extension = nullptr;
             }
         }
 
         DEFINE_INLINE_VIRTUAL_TRACE()
         {
@@ skipping 296 matching lines @@
     // Later, return the cached value.
     GLint maxDrawBuffers();
     GLint maxColorAttachments();
 
     void setBackDrawBuffer(GLenum);
     void setFramebuffer(GLenum, WebGLFramebuffer*);
 
     virtual void restoreCurrentFramebuffer();
     void restoreCurrentTexture2D();
 
-    virtual void multisamplingChanged(bool) override;
+    void multisamplingChanged(bool) override;
 
     void findNewMaxNonDefaultTextureUnit();
 
     virtual void renderbufferStorageImpl(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, const char* functionName);
 
     friend class WebGLStateRestorer;
     friend class WebGLRenderingContextEvictionManager;
 
     static Vector<WebGLRenderingContextBase*>& activeContexts();
     static Vector<WebGLRenderingContextBase*>& forciblyEvictedContexts();
@@ skipping 10 matching lines @@
     static IntSize oldestContextSize();
 };
 
 DEFINE_TYPE_CASTS(WebGLRenderingContextBase, CanvasRenderingContext, context, context->is3d(), context.is3d());
 
 } // namespace blink
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(blink::WebGLRenderingContextBase::TextureUnitState);
 
 #endif // WebGLRenderingContextBase_h