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

Source/modules/webaudio/AudioParam.h

Index: Source/modules/webaudio/AudioParam.h
diff --git a/Source/modules/webaudio/AudioParam.h b/Source/modules/webaudio/AudioParam.h
index f1d6580c4744fb900a1febb997c4b438853750d5..7aaaaba7479816f9b375d834ca82411f796d6737 100644
--- a/Source/modules/webaudio/AudioParam.h
+++ b/Source/modules/webaudio/AudioParam.h
@@ -42,7 +42,7 @@ namespace blink {
 
 class AudioNodeOutput;
 
-class AudioParam FINAL : public AudioSummingJunction, public ScriptWrappable {
+class AudioParam final : public AudioSummingJunction, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static const double DefaultSmoothingConstant;
@@ -54,7 +54,7 @@ public:
     }
 
     // AudioSummingJunction
-    virtual void didUpdate() OVERRIDE { }
+    virtual void didUpdate() override { }
 
     // Intrinsic value.
     float value();