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

Source/modules/mediastream/RTCStatsResponse.h

Index: Source/modules/mediastream/RTCStatsResponse.h
diff --git a/Source/modules/mediastream/RTCStatsResponse.h b/Source/modules/mediastream/RTCStatsResponse.h
index c36a29d2f46678219a82a0f02d696f05a776df1c..3d9e53519cf7b49eeb64d3dfe58a7b7f0d7c76f7 100644
--- a/Source/modules/mediastream/RTCStatsResponse.h
+++ b/Source/modules/mediastream/RTCStatsResponse.h
@@ -35,7 +35,7 @@
 
 namespace blink {
 
-class RTCStatsResponse FINAL : public RTCStatsResponseBase, public ScriptWrappable {
+class RTCStatsResponse final : public RTCStatsResponseBase, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static RTCStatsResponse* create();
@@ -44,10 +44,10 @@ public:
 
     RTCStatsReport* namedItem(const AtomicString& name);
 
-    virtual size_t addReport(const String& id, const String& type, double timestamp) OVERRIDE;
-    virtual void addStatistic(size_t report, const String& name, const String& value) OVERRIDE;
+    virtual size_t addReport(const String& id, const String& type, double timestamp) override;
+    virtual void addStatistic(size_t report, const String& name, const String& value) override;
 
-    virtual void trace(Visitor*) OVERRIDE;
+    virtual void trace(Visitor*) override;
 
 private:
     RTCStatsResponse();