replace OVERRIDE and FINAL with override and final in components/

components/nacl/common/nacl_debug_exception_handler_win.cc

Index: components/nacl/common/nacl_debug_exception_handler_win.cc
diff --git a/components/nacl/common/nacl_debug_exception_handler_win.cc b/components/nacl/common/nacl_debug_exception_handler_win.cc
index bc3427e938838c55ea70428002fd522139c9dfc8..98198699af5e6081df1dd8e0d173975a55c6bde5 100644
--- a/components/nacl/common/nacl_debug_exception_handler_win.cc
+++ b/components/nacl/common/nacl_debug_exception_handler_win.cc
@@ -23,7 +23,7 @@ class DebugExceptionHandler : public base::PlatformThread::Delegate {
         on_connected_(on_connected) {
   }
 
-  virtual void ThreadMain() OVERRIDE {
+  virtual void ThreadMain() override {
     // In the Windows API, the set of processes being debugged is
     // thread-local, so we have to attach to the process (using
     // DebugActiveProcess()) on the same thread on which