Replace FINAL and OVERRIDE with their C++11 counterparts in Source/modules

Source/modules/mediasource/MediaSourceRegistry.h

Index: Source/modules/mediasource/MediaSourceRegistry.h
diff --git a/Source/modules/mediasource/MediaSourceRegistry.h b/Source/modules/mediasource/MediaSourceRegistry.h
index 2d5a02e8bae52d59005bd4636b9bf2e78df12a1d..54db44096d3d956009c732aaa52c24d0240b5158 100644
--- a/Source/modules/mediasource/MediaSourceRegistry.h
+++ b/Source/modules/mediasource/MediaSourceRegistry.h
@@ -42,15 +42,15 @@ namespace blink {
 class KURL;
 class MediaSource;
 
-class MediaSourceRegistry FINAL : public URLRegistry {
+class MediaSourceRegistry final : public URLRegistry {
 public:
     // Returns a single instance of MediaSourceRegistry.
     static MediaSourceRegistry& registry();
 
     // Registers a blob URL referring to the specified media source.
-    virtual void registerURL(SecurityOrigin*, const KURL&, URLRegistrable*) OVERRIDE;
-    virtual void unregisterURL(const KURL&) OVERRIDE;
-    virtual URLRegistrable* lookup(const String&) OVERRIDE;
+    virtual void registerURL(SecurityOrigin*, const KURL&, URLRegistrable*) override;
+    virtual void unregisterURL(const KURL&) override;
+    virtual URLRegistrable* lookup(const String&) override;
 
 private:
     MediaSourceRegistry();