Replace OVERRIDE and FINAL with override and final in content/shell/[a-s]*

content/shell/tools/plugin/Tests/NPPNewFails.cpp

Index: content/shell/tools/plugin/Tests/NPPNewFails.cpp
diff --git a/content/shell/tools/plugin/Tests/NPPNewFails.cpp b/content/shell/tools/plugin/Tests/NPPNewFails.cpp
index ee385c4f5442674a7b5a33e10a630d38353f00dd..8f774e5c15e4cb1dbc39877a590e1e1c5907acfd 100644
--- a/content/shell/tools/plugin/Tests/NPPNewFails.cpp
+++ b/content/shell/tools/plugin/Tests/NPPNewFails.cpp
@@ -46,7 +46,7 @@ private:
                          int16_t argc,
                          char* argn[],
                          char* argv[],
-                         NPSavedData* saved) OVERRIDE {
+                         NPSavedData* saved) override {
         return NPERR_GENERIC_ERROR;
     }
 };