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

Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 318 matching lines @@
 // made virtual so that they can be overridden by ChromePluginPrintContext.
 class ChromePrintContext : public PrintContext {
     WTF_MAKE_NONCOPYABLE(ChromePrintContext);
 public:
     ChromePrintContext(LocalFrame* frame)
         : PrintContext(frame)
         , m_printedPageWidth(0)
     {
     }
 
-    virtual ~ChromePrintContext() { }
+    ~ChromePrintContext() override {}
 
     virtual void begin(float width, float height)
     {
         ASSERT(!m_printedPageWidth);
         m_printedPageWidth = width;
         PrintContext::begin(m_printedPageWidth, height);
     }
 
     virtual float getPageShrink(int pageNumber) const
     {
@@ skipping 129 matching lines @@
 // Simple class to override some of PrintContext behavior. This is used when
 // the frame hosts a plugin that supports custom printing. In this case, we
 // want to delegate all printing related calls to the plugin.
 class ChromePluginPrintContext final : public ChromePrintContext {
 public:
     ChromePluginPrintContext(LocalFrame* frame, WebPluginContainerImpl* plugin, const WebPrintParams& printParams)
         : ChromePrintContext(frame), m_plugin(plugin), m_printParams(printParams)
     {
     }
 
-    virtual ~ChromePluginPrintContext() { }
+    ~ChromePluginPrintContext() override {}
 
-    virtual void begin(float width, float height) override
+    void begin(float width, float height) override
     {
     }
 
-    virtual void end() override
+    void end() override
     {
         m_plugin->printEnd();
     }
 
-    virtual float getPageShrink(int pageNumber) const override
+    float getPageShrink(int pageNumber) const override
     {
         // We don't shrink the page (maybe we should ask the widget ??)
         return 1.0;
     }
 
-    virtual void computePageRects(const FloatRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, float& outPageHeight) override
+    void computePageRects(const FloatRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, float& outPageHeight) override
     {
         m_printParams.printContentArea = IntRect(printRect);
         m_pageRects.fill(IntRect(printRect), m_plugin->printBegin(m_printParams));
     }
 
-    virtual void computePageRectsWithPageSize(const FloatSize& pageSizeInPixels) override
+    void computePageRectsWithPageSize(const FloatSize& pageSizeInPixels) override
     {
         ASSERT_NOT_REACHED();
     }
 
 protected:
     // Spools the printed page, a subrect of frame(). Skip the scale step.
     // NativeTheme doesn't play well with scaling. Scaling is done browser side
     // instead. Returns the scale to be applied.
-    virtual float spoolPage(GraphicsContext& context, int pageNumber) override
+    float spoolPage(GraphicsContext& context, int pageNumber) override
     {
         IntRect pageRect = m_pageRects[pageNumber];
         m_plugin->printPage(pageNumber, &context, pageRect);
 
         return 1.0;
     }
 
 private:
     // Set when printing.
     WebPluginContainerImpl* m_plugin;
@@ skipping 1661 matching lines @@
 }
 
 WebSandboxFlags WebLocalFrameImpl::effectiveSandboxFlags() const
 {
     if (!frame())
         return WebSandboxFlags::None;
     return static_cast<WebSandboxFlags>(frame()->loader().effectiveSandboxFlags());
 }
 
 } // namespace blink