Replacing the OVERRIDE with override in third_party/WebKit/Source/platform

Source/platform/Task.h

Index: Source/platform/Task.h
diff --git a/Source/platform/Task.h b/Source/platform/Task.h
index bac7d601b3df004cb8481e71cbc092c54e27c926..6941c7702a6cecc837f33825a06b49af2a703a8b 100644
--- a/Source/platform/Task.h
+++ b/Source/platform/Task.h
@@ -43,7 +43,7 @@ public:
     {
     }
 
-    virtual void run() OVERRIDE
+    virtual void run() override
     {
         m_closure();
     }